A284393 - OEIS

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A284393

Positions of 1 in A284391; complement of A284392.

1, 2, 5, 6, 7, 10, 13, 16, 17, 18, 21, 22, 23, 26, 27, 28, 31, 34, 37, 38, 39, 42, 45, 48, 49, 50, 53, 56, 59, 60, 61, 64, 65, 66, 69, 70, 71, 74, 77, 80, 81, 82, 85, 86, 87, 90, 91, 92, 95, 98, 101, 102, 103, 106, 107, 108, 111, 112, 113, 116, 119, 122, 123

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

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

FORMULA

a(n) = 1 + A284390(n-1) for n >= 3.

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 0, 1}}] &, {0}, 9]; (* A284391 *)

Flatten[Position[s, 0]]; (* A284392 *)

Flatten[Position[s, 1]]; (* A284393 *)

CROSSREFS