A287069 Positions of 2 in A287066.

2, 9, 13, 15, 20, 22, 25, 32, 34, 37, 42, 49, 53, 55, 58, 63, 70, 72, 79, 83, 85, 90, 92, 95, 100, 107, 109, 116, 120, 122, 125, 132, 136, 138, 143, 145, 148, 155, 157, 160, 165, 172, 174, 181, 185, 187, 190, 197, 201, 203, 208, 210, 213, 218, 225, 229, 231

Offset

1,1

Links

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

Mathematica

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 2}, 2 -> 0}] &, {1}, 10] (* A287066 *)
Flatten[Position[s, 0]]  (* A287067 *)
Flatten[Position[s, 1]]  (* A287068 *)
Flatten[Position[s, 2]]  (* A287069 *)

Crossrefs

Cf. A287066, A287067, A287068.

Sequence in context: A271646 A024976 A171234 * A068047 A044904 A234902

Adjacent sequences: A287066 A287067 A287068 * A287070 A287071 A287072

Keyword

nonn,easy

Author

Clark Kimberling, May 21 2017

Status

approved