A287367 Positions of 2 in A287364.

4, 9, 12, 15, 17, 19, 24, 29, 34, 37, 40, 42, 44, 49, 52, 55, 57, 59, 64, 67, 70, 72, 74, 79, 81, 83, 88, 90, 92, 97, 102, 107, 110, 113, 115, 117, 122, 127, 132, 135, 138, 140, 142, 147, 152, 157, 160, 163, 165, 167, 172, 175, 178, 180, 182, 187, 190, 193

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}, 13] (* A287364 *)
Flatten[Position[s, 0]] (* A287365 *)
Flatten[Position[s, 1]] (* A287366 *)
Flatten[Position[s, 2]] (* A287367 *)

Crossrefs

Cf. A287365, A287366.

Sequence in context: A179395 A175251 A368998 * A312850 A312851 A312852

Adjacent sequences: A287364 A287365 A287366 * A287368 A287369 A287370

Keyword

nonn,easy

Author

Clark Kimberling, May 24 2017

Status

approved