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A287237
Positions of 2 in A287234.
4
6, 13, 18, 22, 29, 36, 41, 45, 52, 57, 61, 65, 70, 74, 81, 88, 93, 97, 104, 111, 116, 120, 127, 132, 136, 140, 145, 149, 156, 163, 168, 172, 179, 184, 188, 192, 197, 201, 205, 210, 214, 221, 226, 230, 234, 239, 243, 250, 257, 262, 266, 273, 280, 285, 289
OFFSET
1,1
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {2, 0}, 2 -> 1}] &, {1}, 10] (* A287234 *)
Flatten[Position[s, 0]] (* A287235 *)
Flatten[Position[s, 1]] (* A287236 *)
Flatten[Position[s, 2]] (* A287237 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 24 2017
STATUS
approved