A287115 Positions of 2 in A287112.

3, 10, 14, 21, 27, 34, 41, 47, 54, 58, 65, 71, 78, 82, 89, 95, 102, 109, 115, 122, 126, 133, 139, 146, 152, 159, 163, 170, 176, 183, 190, 196, 203, 207, 214, 220, 227, 234, 240, 247, 251, 258, 264, 271, 277, 284, 288, 295, 301, 308, 315, 321, 328, 332, 339

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. A287112, A287113, A287114.

Programs

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 *)