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A284390

Positions of 1 in A284388; complement of A284389.

3, 6, 7, 8, 11, 14, 17, 18, 19, 22, 23, 24, 27, 28, 29, 32, 35, 38, 39, 40, 43, 46, 49, 50, 51, 54, 57, 60, 61, 62, 65, 66, 67, 70, 71, 72, 75, 78, 81, 82, 83, 86, 87, 88, 91, 92, 93, 96, 99, 102, 103, 104, 107, 108, 109, 112, 113, 114, 117, 120, 123, 124

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OFFSET

1,1

COMMENTS

This seems to be A098740 without the initial 2. - R. J. Mathar, Apr 05 2017

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = 1 + A284393(n+1) for n >= 1.

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 0, 1}}] &, {0}, 8]; (* A284388 *)

Flatten[Position[s, 0]]; (* A284389 *)