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A287333
Positions of 1 in A287331.
4
1, 3, 9, 11, 13, 19, 25, 31, 35, 39, 41, 43, 49, 51, 53, 59, 61, 63, 69, 75, 81, 85, 89, 91, 93, 99, 105, 111, 115, 119, 121, 123, 129, 135, 141, 145, 149, 151, 153, 159, 163, 167, 169, 171, 177, 181, 185, 187, 189, 195, 197, 199, 205, 207, 209, 215, 221
OFFSET
1,2
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {2, 2}, 2 -> 0}] &, {0}, 10] (* A287331 *)
Flatten[Position[s, 0]] (* A287332 *)
Flatten[Position[s, 1]] (* A287333 *)
Flatten[Position[s, 2]] (* A287334 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 23 2017
STATUS
approved