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{0∊1|.5*⍨4 ¯4+⍵×⍵×5}¯4+5××⍨
Try it online!Try it online!
{0∊1|.5*⍨4 ¯4+⍵×⍵×5}
Try it online!
0∊1|.5*⍨4 ¯4+5××⍨
{⍵∊{1∧+∘÷/0,⍵/1}¨⍳1+⍵0∊1|.5*⍨4 ¯4+⍵×⍵×5}
Generates the first n + 1 numbers (edge cases 2 and 3) and check if n in included.Try it online!
n + 1
2
3
n
{⍵∊{1∧+∘÷/0,⍵/1}¨⍳1+⍵}
Generates the first n + 1 numbers (edge cases 2 and 3) and check if n in included.
