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A287162
Positions of 1 in A287160.
4
3, 5, 6, 9, 10, 12, 16, 18, 19, 21, 25, 26, 30, 33, 35, 36, 39, 40, 42, 46, 47, 51, 54, 56, 57, 59, 63, 66, 68, 69, 73, 75, 76, 79, 80, 82, 86, 88, 89, 91, 95, 96, 100, 103, 105, 106, 108, 112, 115, 117, 118, 122, 124, 125, 128, 129, 131, 135, 136, 140, 143
OFFSET
1,1
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 1}, 2 -> 0}] &, {0}, 9] (* A287160 *)
Flatten[Position[s, 0]] (* A287161 *)
Flatten[Position[s, 1]] (* A287162 *)
Flatten[Position[s, 2]] (* A287163 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 22 2017
STATUS
approved