A288754 Positions of 1 in A288752; complement of A288753.

2, 3, 6, 9, 12, 14, 16, 17, 20, 23, 25, 27, 28, 31, 34, 36, 38, 39, 42, 44, 45, 48, 50, 51, 54, 57, 60, 62, 64, 65, 68, 71, 73, 75, 76, 79, 81, 82, 85, 87, 88, 91, 94, 97, 99, 101, 102, 105, 108, 110, 112, 113, 116, 118, 119, 122, 124, 125, 128, 131, 134

Offset

1,1

Comments

Conjecture: a(n)/n->2.19..., and if m denotes this number, then -1 < m - 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" -> "0110", "1" -> "01"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48   (* A288752 *)
Flatten[Position[st, 0]]  (* A288753 *)
Flatten[Position[st, 1]]  (* A288754 *)

Crossrefs

Cf. A288752, A288754.

Sequence in context: A064417 A191981 A131975 * A057474 A347785 A373698

Adjacent sequences: A288751 A288752 A288753 * A288755 A288756 A288757

Keyword

nonn,easy

Author

Clark Kimberling, Jun 15 2017

Status

approved