A287346 Positions of 0 in A287345.

2, 4, 5, 8, 12, 14, 15, 18, 21, 24, 30, 32, 36, 38, 39, 42, 48, 50, 54, 56, 58, 60, 61, 64, 68, 70, 71, 74, 77, 80, 86, 88, 92, 94, 95, 98, 104, 106, 110, 112, 113, 116, 122, 124, 128, 130, 131, 134, 140, 142, 146, 148, 152, 154, 158, 160, 162, 164, 165, 168

Offset

1,1

Links

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

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 0}, 2 -> 0}] &, {0}, 11] (* A287345 *)
Flatten[Position[s, 0]] (* A287346 *)
Flatten[Position[s, 1]] (* A287347 *)
Flatten[Position[s, 2]] (* A287348 *)

Crossrefs

Cf. A287346, A287347, A287348.

Sequence in context: A032850 A190190 A063465 * A344841 A035001 A260386

Adjacent sequences: A287343 A287344 A287345 * A287347 A287348 A287349

Keyword

nonn,easy

Author

Clark Kimberling, May 24 2017

Status

approved