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A288857
Positions of 1 in A288855; complement of A288856.
3
1, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 21, 22, 23, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 71, 72, 73, 74, 75, 77, 78, 79, 80, 82, 83
OFFSET
1,2
LINKS
MATHEMATICA
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "1000", "10" -> "011"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[51]] - 48 (* A288855 *)
Flatten[Position[st, 0]] (* A288856 *)
Flatten[Position[st, 1]] (* A288857 *)
CROSSREFS
Sequence in context: A119368 A088721 A325435 * A201472 A005049 A128427
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 23 2017
STATUS
approved