4 [`(] (] , [ + [: {: ]) [ $: [: <: ])@.(<) 8
4 9 15 22 30
/Erling

On 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
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