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A288553 Positions of 1 in A288551; complement of A288552. 3
3, 4, 7, 8, 11, 12, 14, 15, 18, 19, 21, 22, 25, 26, 29, 30, 33, 34, 36, 37, 40, 41, 43, 44, 47, 48, 51, 52, 55, 56, 58, 59, 62, 63, 65, 66, 68, 70, 72, 73, 75, 76, 79, 80, 82, 83, 86, 87, 90, 91, 94, 95, 97, 98, 101, 102, 104, 105, 107, 109, 111, 112, 114 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n->1.74..., and if m denotes this number, then -2 < 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" -> "0101", "1" -> "011"}]

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

st = ToCharacterCode[w[10]] - 48   (* A288551 *)

Flatten[Position[st, 0]]  (* A288552 *)

Flatten[Position[st, 1]]  (* A288553 *)

CROSSREFS

Cf. A288551, A288552, A288276.

Sequence in context: A229081 A070874 A187582 * A295771 A285503 A327221

Adjacent sequences:  A288550 A288551 A288552 * A288554 A288555 A288556

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 14 2017

STATUS

approved

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Last modified September 28 02:44 EDT 2020. Contains 337392 sequences. (Running on oeis4.)