4 [`(] (] , [ + [: {: ]) [ $: [: <: ])@.(<) 8
4 9 15 22 30
/ErlingOn 2017-09-28 20:33, Skip Cave wrote:
What is a good way to generate this sequence in J? 4,(4+5),(4+5+6),(4+5+6+7),(4+5+6+7+8)+..... Show one way using i. and insert. Show another way using recursion. Skip Skip Cave Cave Consulting LLC ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
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