A287180 Positions of 0 in A287179.

3, 6, 8, 10, 13, 16, 18, 20, 22, 24, 26, 29, 31, 33, 36, 39, 41, 43, 46, 49, 51, 53, 55, 57, 59, 62, 64, 66, 68, 70, 72, 74, 76, 78, 81, 83, 85, 88, 91, 93, 95, 97, 99, 101, 104, 106, 108, 111, 114, 116, 118, 121, 124, 126, 128, 130, 132, 134, 137, 139, 141

Offset: 1

Author

Clark Kimberling, May 22 2017

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A287179, A287181, A287182.

Programs

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 0}, 2 -> 1}] &, {0}, 9] (* A287179 *)
Flatten[Position[s, 0]] (* A287180 *)
Flatten[Position[s, 1]] (* A287181 *)
Flatten[Position[s, 2]] (* A287182 *)