A284945 - OEIS

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A284945

Positions of 0 in A284944; complement of A284946.

1, 6, 10, 14, 18, 19, 24, 28, 32, 33, 38, 42, 46, 47, 52, 56, 60, 61, 63, 68, 72, 76, 80, 81, 86, 90, 94, 95, 100, 104, 108, 109, 111, 116, 120, 124, 128, 129, 134, 138, 142, 143, 148, 152, 156, 157, 159, 164, 168, 172, 176, 177, 182, 186, 190, 191, 196, 200

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

OFFSET

1,2

COMMENTS

Conjecture: -4 < n*r - a(n) < 3 for n >= 1, where r = 2 + sqrt(2).

LINKS

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

EXAMPLE

As a word, A284938 = 011110..., in which 0 is in positions 1,6,10,14,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 1, 1, 0}}] &, {0}, 6] (* A284944 *)

Flatten[Position[s, 0]] (* A284945 *)