A287202 Positions of 1 in A287200.

3, 7, 9, 11, 17, 21, 25, 27, 29, 35, 37, 39, 45, 47, 49, 55, 61, 67, 71, 75, 77, 79, 85, 89, 93, 95, 97, 103, 107, 111, 113, 115, 121, 123, 125, 131, 133, 135, 141, 147, 153, 157, 161, 163, 165, 171, 173, 175, 181, 183, 185, 191, 197, 203, 207, 211, 213, 215

Offset: 1

Author

Clark Kimberling, May 23 2017

Keywords

• nonn
• easy

Links

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

Crossrefs

Cf. A287200, A287201, A287203.

Programs

Mathematica

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 2}, 2 -> 0}] &, {0}, 11] (* A287200 *)
Flatten[Position[s, 0]] (* A287201 *)
Flatten[Position[s, 1]] (* A287202 *)
Flatten[Position[s, 2]] (* A287203 *)