A288308 - OEIS

A288308

Positions of 1 in A288306; complement of A288307.

3, 5, 6, 9, 10, 12, 13, 17, 19, 20, 22, 23, 26, 27, 29, 30, 34, 37, 38, 41, 42, 44, 45, 48, 49, 51, 52, 56, 58, 59, 61, 62, 65, 66, 68, 69, 73, 76, 77, 81, 83, 84, 86, 87, 91, 93, 94, 96, 97, 100, 101, 103, 104, 108, 110, 111, 113, 114, 117, 118, 120, 121

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

OFFSET

1,1

COMMENTS

Conjecture: -1 < 2 - a(n)/n < 1 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" -> "0010", "1" -> "110"}]

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

st = ToCharacterCode[w[11]] - 48 (* A288306 *)