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 A288427 Positions of 0 in A288426; complement of A288428. 3
 1, 3, 4, 5, 7, 10, 11, 14, 15, 16, 19, 20, 21, 23, 27, 28, 29, 31, 34, 35, 39, 40, 41, 43, 46, 47, 50, 51, 52, 56, 57, 58, 60, 63, 64, 67, 68, 69, 72, 73, 74, 76, 81, 82, 83, 85, 88, 89, 92, 93, 94, 97, 98, 99, 101, 105, 106, 107, 109, 112, 113, 118, 119 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Conjecture:  a(n)/n -> 1.93..., 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" -> "100"}] Table[w[n], {n, 0, 8}] st = ToCharacterCode[w[11]] - 48   (* A288426 *) Flatten[Position[st, 0]]  (* A288427 *) Flatten[Position[st, 1]]  (* A288428 *) CROSSREFS Cf. A288426, A288428. Sequence in context: A047365 A048342 A159560 * A030502 A201025 A288451 Adjacent sequences:  A288424 A288425 A288426 * A288428 A288429 A288430 KEYWORD nonn,easy AUTHOR Clark Kimberling, Jun 10 2017 STATUS approved

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Last modified January 19 21:47 EST 2020. Contains 331066 sequences. (Running on oeis4.)