A287242 Positions of 1 in A287240.

4, 8, 11, 13, 17, 21, 24, 26, 30, 33, 35, 37, 40, 42, 46, 50, 53, 55, 59, 63, 66, 68, 72, 75, 77, 79, 82, 84, 88, 92, 95, 97, 101, 104, 106, 108, 111, 113, 115, 118, 120, 124, 127, 129, 131, 134, 136, 140, 144, 147, 149, 153, 157, 160, 162, 166, 169, 171

Offset

1,1

Links

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

Mathematica

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {2, 0}, 2 -> 1}] &, {1}, 11] (* A287240 *)
Flatten[Position[s, 0]] (* A287241 *)
Flatten[Position[s, 1]] (* A287242 *)
Flatten[Position[s, 2]] (* A287243 *)

Crossrefs

Cf. A287240, A287241, A287243.

Sequence in context: A311026 A311027 A038162 * A311028 A311029 A026999

Adjacent sequences: A287239 A287240 A287241 * A287243 A287244 A287245

Keyword

nonn,easy

Author

Clark Kimberling, May 24 2017

Status

approved