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A288259
Positions of 1 in A288257; complement of A288258.
3
3, 5, 9, 14, 17, 22, 26, 28, 33, 35, 40, 44, 46, 51, 54, 58, 63, 67, 69, 73, 78, 82, 84, 89, 92, 96, 101, 105, 107, 112, 114, 119, 122, 127, 131, 133, 138, 141, 145, 150, 153, 158, 162, 164, 169, 172, 176, 181, 185, 187, 192, 194, 199, 202, 207, 211, 213
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n-> 3.76..., and if m denotes this number, then -1 < m - a(n)/n < 2 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: A321024 A211389 A335193 * A355489 A372639 A082874
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 09 2017
STATUS
approved