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Dyalog APL, 10 bytes ⊢∊1+\⍤,6×⍳ Port of lyxal's Vyxal answer. Explanation ⊢∊1+\⍤,6×⍳...
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# Dyalog APL, 10 bytes ``` ⊢∊1+\⍤,6×⍳ ``` Port of lyxal's Vyxal answer. ## Explanation ```apl ⊢∊1+\⍤,6×⍳ ⊢∊ ⍝ is the input a member of +\⍤ ⍝ the sum scan of 1 , ⍝ the concatenation of 1 and 6× ⍝ six times ⍳ ⍝ the range from 1 to the input 💎 ``` Created with the help of [Luminespire](https://vyxal.github.io/Luminespire).