RosettaCodeData/Task/Catamorphism/J/catamorphism-2.j
2023-07-01 13:44:08 -04:00

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Text

+/ 1 2 3 4 5
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*/ 1 2 3 4 5
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!/ 1 2 3 4 5 NB. "n ! k" is "n choose k"
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