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A288258
Positions of 0 in A288257; complement of A288259.
3
1, 2, 4, 6, 7, 8, 10, 11, 12, 13, 15, 16, 18, 19, 20, 21, 23, 24, 25, 27, 29, 30, 31, 32, 34, 36, 37, 38, 39, 41, 42, 43, 45, 47, 48, 49, 50, 52, 53, 55, 56, 57, 59, 60, 61, 62, 64, 65, 66, 68, 70, 71, 72, 74, 75, 76, 77, 79, 80, 81, 83, 85, 86, 87, 88, 90
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n-> 1.36..., and if m denotes this number, then -1 < m - a(n)/n < 1 for n >= 1.
LINKS
MATHEMATICA
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0010", "1" -> "100"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A288257 *)
Flatten[Position[st, 0]] (* A288258 *)
Flatten[Position[st, 1]] (* A288259 *)
CROSSREFS
Sequence in context: A053663 A376108 A324561 * A075313 A183858 A135673
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 09 2017
STATUS
approved