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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