A285564 - OEIS

A285564

Positions of 1 in A286939; complement of A285432.

3, 9, 12, 19, 25, 28, 31, 37, 40, 47, 53, 59, 62, 69, 75, 78, 81, 87, 90, 97, 100, 107, 113, 116, 119, 125, 128, 135, 141, 147, 150, 157, 163, 166, 169, 175, 181, 184, 187, 193, 196, 203, 209, 215, 218, 225, 231, 234, 237, 243, 246, 253, 256, 263, 269, 272

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Conjecture: lim_{n->oo} a(n)/n = 4.89..., and if m denotes this number, then -1 < a(n)/n - m < 2 for n >= 1.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

MATHEMATICA

s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];

w[n_] := StringReplace[w[n - 1], {"00" -> "001", "1" -> "000"}]

Table[w[n], {n, 0, 8}]

st = ToCharacterCode[w[11]] - 48 (* A286939 *)