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A288513 Positions of 0 in A288512; complement of A288514. 3
1, 3, 5, 6, 7, 9, 10, 11, 13, 14, 16, 17, 19, 20, 21, 23, 24, 26, 27, 29, 30, 31, 33, 35, 37, 38, 40, 42, 44, 45, 47, 48, 50, 51, 53, 54, 55, 57, 59, 61, 62, 64, 66, 68, 69, 71, 72, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89, 91, 93, 94, 96, 97, 98, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n -> 1.52..., 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" -> "0101", "10" -> "001"}]

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

st = ToCharacterCode[w[19]] - 48   (* A288512 *)

Flatten[Position[st, 0]]  (* A288513 *)

Flatten[Position[st, 1]]  (* A288514 *)

CROSSREFS

Cf. A288512, A288514.

Sequence in context: A186145 A335740 A047984 * A125236 A137624 A238246

Adjacent sequences:  A288510 A288511 A288512 * A288514 A288515 A288516

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 13 2017

STATUS

approved

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Last modified July 25 19:05 EDT 2021. Contains 346291 sequences. (Running on oeis4.)