login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A288859
Positions of 0 in A288858; complement of A288860.
3
1, 5, 6, 7, 11, 18, 24, 29, 33, 34, 35, 36, 44, 55, 65, 74, 82, 89, 95, 100, 104, 105, 106, 107, 110, 126, 141, 155, 168, 180, 191, 201, 210, 218, 225, 231, 236, 240, 241, 242, 243, 246, 250, 251, 252, 267, 287, 306, 324, 341, 357, 372, 386, 399, 411, 422
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[52]] - 48 (* A288858 *)
Flatten[Position[st, 0]] (* A288859 *)
Flatten[Position[st, 1]] (* A288860 *)
CROSSREFS
Sequence in context: A300957 A139205 A374960 * A307751 A039589 A373854
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 23 2017
STATUS
approved