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A287113 Positions of 0 in A287112. 4
2, 4, 6, 7, 9, 11, 13, 15, 17, 18, 20, 22, 24, 26, 28, 30, 31, 33, 35, 37, 38, 40, 42, 44, 46, 48, 50, 51, 53, 55, 57, 59, 61, 62, 64, 66, 68, 70, 72, 74, 75, 77, 79, 81, 83, 85, 86, 88, 90, 92, 94, 96, 98, 99, 101, 103, 105, 106, 108, 110, 112, 114, 116 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 0}, 2 -> 0}] &, {0}, 10] (* A287112 *)

Flatten[Position[s, 0]] (* A287113 *)

Flatten[Position[s, 1]] (* A287114 *)

Flatten[Position[s, 2]] (* A287115 *)

CROSSREFS

Cf. A287112, A287114, A287115.

Sequence in context: A047293 A191176 A184585 * A278039 A076521 A206910

Adjacent sequences:  A287110 A287111 A287112 * A287114 A287115 A287116

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 22 2017

STATUS

approved

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Last modified December 2 13:56 EST 2021. Contains 349445 sequences. (Running on oeis4.)