A287371 Positions of 2 in A287368.

1, 3, 8, 10, 12, 17, 22, 27, 30, 33, 35, 37, 42, 44, 46, 51, 53, 55, 60, 65, 70, 73, 76, 78, 80, 85, 90, 95, 98, 101, 103, 105, 110, 115, 120, 123, 126, 128, 130, 135, 138, 141, 143, 145, 150, 153, 156, 158, 160, 165, 167, 169, 174, 176, 178, 183, 188, 193

Offset

1,2

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, A287370.

Sequence in context: A246589 A327308 A350667 * A351872 A226641 A212966

Adjacent sequences: A287368 A287369 A287370 * A287372 A287373 A287374

Keyword

nonn,easy

Author

Clark Kimberling, May 25 2017

Status

approved