RosettaCodeData/Task/Sphenic-numbers/J/sphenic-numbers-1.j
2023-07-01 13:44:08 -04:00

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sphenic=: {{ N #~ N = {{*/~.3{.y}}@q: N=. 30}.i.y }}
triplet=: {{ 0 1 2 +/~y #~ */y e.~ 0 1 2 +/ y }}