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Stax, 9 bytes Ç≈f♠É↔X+ö Run and debug it Explanation(Unpacked): wii{um|+;< w iterate until a falsy result is reached: ii push iteration number i twice {um map r...
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#1: Initial revision
# [Stax](https://github.com/tomtheisen/stax), 9 [bytes](https://github.com/tomtheisen/stax/blob/master/docs/packed.md#packed-stax) Ç≈f♠É↔X+ö [Run and debug it](https://staxlang.xyz/#p=80f76606901d582b94&i=2%0A3%0A4&m=2) ## Explanation(Unpacked): ``` wii{um|+;< w iterate until a falsy result is reached: ii push iteration number i twice {um map range [1..i] to their reciprocals |+ sum that list ;< compare to the input(gets popped) implicit output of top of stack