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#6: Post edited by

Shaggy‭ · 2026-04-22T10:04:12Z (5 months ago)

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~~# [Japt](https://github.com/ETHproductions/japt), <s>23</s> <s>22</s> 20 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)~~
©2õÈ*ßTwXnUÃxÒUÆßXÃx
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=qTL1yCrfVHdYblXDeNJVxt9Yw3g&input=WzEgNCA3IDEwXS1tUw)
©2õÈ*ßTwXnUÃxÒUÆßXÃx :Implicit input of integer U
© :Logical AND with
2õ :Range [1,2]
È :Map each X
* : Multiply by
ß : Recursive call with argument
T : 0
w : Maximum with
XnU : X subtracted from U
Ã :End map
x :Reduce by addition after
Ò : Subtracting, from each, the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition

# [Japt](https://github.com/ETHproductions/japt), 23 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)
>0©3ò4È*ßUµ3ÃxÒUÆßX}3 x
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCpM/I0yCrfVbUzw3jSVcbfWH0zIHg&input=WzEgNCA3IDEwIDEzIDE2IDE5IDIyIDI1IDI4XS1tUw)
# <s>23</s> <s>22</s> 20 bytes
Outputs the complete sequence, from my original misinterpretation, backed up by the existing solutions, that every 3rd value in our sequence must match the corresponding value in the original sequence.
©2õÈ*ßTwXnUÃxÒUÆßXÃx
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=qTL1yCrfVHdYblXDeNJVxt9Yw3g&input=WzEgNCA3IDEwXS1tUw)
©2õÈ*ßTwXnUÃxÒUÆßXÃx :Implicit input of integer U
© :Logical AND with
2õ :Range [1,2]
È :Map each X
* : Multiply by
ß : Recursive call with argument
T : 0
w : Maximum with
XnU : X subtracted from U
Ã :End map
x :Reduce by addition after
Ò : Subtracting, from each, the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition

#5: Post edited by

Shaggy‭ · 2026-04-21T09:11:17Z (5 months ago)

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# [Japt](https://github.com/ETHproductions/japt), <s>23</s> <s>22</s> 20 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)
~~>0©2õÈ*ßXnUÃxÒUÆßXÃx~~
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCpMvXIKt9YblXDeNJVxt9Yw3g&input=MTA)

# [Japt](https://github.com/ETHproductions/japt), <s>23</s> <s>22</s> 20 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)
©2õÈ*ßTwXnUÃxÒUÆßXÃx
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=qTL1yCrfVHdYblXDeNJVxt9Yw3g&input=WzEgNCA3IDEwXS1tUw)
©2õÈ*ßTwXnUÃxÒUÆßXÃx :Implicit input of integer U
© :Logical AND with
2õ :Range [1,2]
È :Map each X
* : Multiply by
ß : Recursive call with argument
T : 0
w : Maximum with
XnU : X subtracted from U
Ã :End map
x :Reduce by addition after
Ò : Subtracting, from each, the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition

#4: Post edited by

Shaggy‭ · 2026-04-16T20:12:26Z (5 months ago)

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~~# [Japt](https://github.com/ETHproductions/japt), <s>23</s> <s>22</s> 21 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)~~
~~>0©2õÈ*ßXnUÃxÄ+UÆßXÃx~~
~~[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCpMvXIKt9YblXDeMQrVcbfWMN4&input=MTA)~~
~~>0©ßUÉ +ßUÉÉ ÑÒÒUÆßXÃxÑ :Implicit input of integer U~~
~~>0 :Is U greater than 0?~~
~~© :Logical AND with~~
~~ß : Recursive call with argument~~
~~UÉ : U-1~~
~~+ : Add~~
~~ßUÉÉ : Recursive call with argument U-1-1~~
~~Ñ : Multiplied by 2~~
~~ÒÒ : Subtract the bitwise NOT of the negation of the bitwise NOT of~~
~~UÆ : Map each X in the range [0,U)~~
~~ßX : Recursive call with argument X~~
~~Ã : End map~~
~~x : Reduce by addition after~~
~~Ñ : Multiplying by 2~~

# [Japt](https://github.com/ETHproductions/japt), <s>23</s> <s>22</s> 20 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)
>0©2õÈ*ßXnUÃxÒUÆßXÃx
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCpMvXIKt9YblXDeNJVxt9Yw3g&input=MTA)

#3: Post edited by

Shaggy‭ · 2026-04-16T19:35:24Z (5 months ago)

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~~# [Japt](https://github.com/ETHproductions/japt), <s>23</s> 22 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)~~
~~>0©ßUÉÉ ÑÒßUÉ ÒUÆßXÃxÑ~~
~~[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCp31XJySDR0t9VySDSVcbfWMN40Q&input=MTA)~~
>0©ßUÉ +ßUÉÉ ÑÒÒUÆßXÃxÑ :Implicit input of integer U
>0 :Is U greater than 0?
© :Logical AND with
ß : Recursive call with argument
UÉ : U-1
+ : Add
ßUÉÉ : Recursive call with argument U-1-1
Ñ : Multiplied by 2
ÒÒ : Subtract the bitwise NOT of the negation of the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition after
Ñ : Multiplying by 2

# [Japt](https://github.com/ETHproductions/japt), <s>23</s> <s>22</s> 21 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)
>0©2õÈ*ßXnUÃxÄ+UÆßXÃx
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCpMvXIKt9YblXDeMQrVcbfWMN4&input=MTA)
>0©ßUÉ +ßUÉÉ ÑÒÒUÆßXÃxÑ :Implicit input of integer U
>0 :Is U greater than 0?
© :Logical AND with
ß : Recursive call with argument
UÉ : U-1
+ : Add
ßUÉÉ : Recursive call with argument U-1-1
Ñ : Multiplied by 2
ÒÒ : Subtract the bitwise NOT of the negation of the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition after
Ñ : Multiplying by 2

#2: Post edited by

Shaggy‭ · 2026-04-16T15:27:27Z (5 months ago)

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~~# [Japt](https://github.com/ETHproductions/japt), 23 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)~~
~~[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCp31XJICvfVcnJINHS0lXG31jDeNE&input=MTA)~~
>0 :Is U greater than 0?
ß : Recursive call with argument
UÉ : U-1
+ : Add
ßUÉÉ : Recursive call with argument U-1-1
Ñ : Multiplied by 2
ÒÒ : Subtract the bitwise NOT of the negation of the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition after
Ñ : Multiplying by 2

# [Japt](https://github.com/ETHproductions/japt), <s>23</s> 22 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)
[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCp31XJySDR0t9VySDSVcbfWMN40Q&input=MTA)
>0 :Is U greater than 0?
ß : Recursive call with argument
UÉ : U-1
+ : Add
ßUÉÉ : Recursive call with argument U-1-1
Ñ : Multiplied by 2
ÒÒ : Subtract the bitwise NOT of the negation of the bitwise NOT of
UÆ : Map each X in the range [0,U)
ßX : Recursive call with argument X
Ã : End map
x : Reduce by addition after
Ñ : Multiplying by 2

#1: Initial revision by

Shaggy‭ · 2026-04-16T15:11:19Z (5 months ago)

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# [Japt](https://github.com/ETHproductions/japt), 23 [bytes](https://en.wikipedia.org/wiki/ISO/IEC_8859-1)

    >0©ßUÉ +ßUÉÉ ÑÒÒUÆßXÃxÑ

[Try it](https://petershaggynoble.github.io/Japt-Interpreter/?v=1.4.6&code=PjCp31XJICvfVcnJINHS0lXG31jDeNE&input=MTA)

    >0©ßUÉ +ßUÉÉ ÑÒÒUÆßXÃxÑ     :Implicit input of integer U
    >0                          :Is U greater than 0?
      ©                         :Logical AND with
       ß                        :  Recursive call with argument
        UÉ                      :  U-1
           +                    :  Add
            ßUÉÉ                :    Recursive call with argument U-1-1
                 Ñ              :    Multiplied by 2
                  ÒÒ            :  Subtract the bitwise NOT of the negation of the bitwise NOT of
                    UÆ          :    Map each X in the range [0,U)
                      ßX        :      Recursive call with argument X
                        Ã       :    End map
                         x      :    Reduce by addition after
                          Ñ     :      Multiplying by 2

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