A287370 Positions of 1 in A287368.

2, 4, 5, 6, 9, 11, 13, 14, 15, 18, 19, 20, 23, 24, 25, 28, 31, 34, 36, 38, 39, 40, 43, 45, 47, 48, 49, 52, 54, 56, 57, 58, 61, 62, 63, 66, 67, 68, 71, 74, 77, 79, 81, 82, 83, 86, 87, 88, 91, 92, 93, 96, 99, 102, 104, 106, 107, 108, 111, 112, 113, 116, 117

Offset

1,1

Links

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

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 1}, 2 -> 0}] &, {0}, 14] (* A287368 *)
Flatten[Position[s, 0]] (* A287369 *)
Flatten[Position[s, 1]] (* A287370 *)
Flatten[Position[s, 2]] (* A287371 *)

Crossrefs

Cf. A287368, A287369, A287371.

Sequence in context: A030303 A047315 A125881 * A089969 A166944 A073894

Adjacent sequences: A287367 A287368 A287369 * A287371 A287372 A287373

Keyword

nonn,easy

Author

Clark Kimberling, May 25 2017

Status

approved