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A287004
Positions of 1 in A287002.
4
2, 5, 7, 11, 14, 16, 18, 21, 23, 27, 31, 34, 36, 40, 43, 45, 47, 50, 52, 54, 57, 59, 63, 66, 68, 70, 73, 75, 79, 83, 86, 88, 92, 96, 99, 101, 105, 108, 110, 112, 115, 117, 121, 125, 128, 130, 134, 137, 139, 141, 144, 146, 148, 151, 153, 157, 160, 162, 164
OFFSET
1,1
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {2, 0}, 2 -> 1}] &, {0}, 10](* A287002 *)
Flatten[Position[s, 0]] (* A287003 *)
Flatten[Position[s, 1]] (* A287004 *)
Flatten[Position[s, 2]] (* A287081 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 21 2017
STATUS
approved