Part two: If you used J to help you figure out the sequence, tell
Kip Murray wrote:
> Verb i. produces takes from the sequence of non-negative integers:
>
> i.20
> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
> i.5
> 0 1 2 3 4
> 5 {. i.20
> 0 1 2 3 4
>
> Verb s generates takes from a mystery sequence (no peeking in Sloane, please)
>
> s 13
> 2 3 7 19 53 131 311 719 1619 3671 8161 17863 38873
> s 5
> 2 3 7 19 53
> 5 {. s 13
> 2 3 7 19 53
>
> Your mission, should you decide to accept it, is to provide a definition for
> s .
> As always, these instructions will
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