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A287068
Positions of 1 in A287066.
4
1, 5, 7, 8, 11, 12, 14, 18, 19, 21, 24, 28, 30, 31, 33, 36, 40, 41, 45, 47, 48, 51, 52, 54, 57, 61, 62, 66, 68, 69, 71, 75, 77, 78, 81, 82, 84, 88, 89, 91, 94, 98, 99, 103, 105, 106, 108, 112, 114, 115, 118, 119, 121, 124, 128, 130, 131, 134, 135, 137, 141
OFFSET
1,2
LINKS
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
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 21 2017
STATUS
approved