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A288228 Positions of 1 in A288226; complement of A288227. 3
3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 16, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 64, 66, 67, 68, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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" -> "1000", "10" -> "011"}]

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

st = ToCharacterCode[w[50]] - 48   (* A288226 *)

Flatten[Position[st, 0]]  (* A288227 *)

Flatten[Position[st, 1]]  (* A288228 *)

CROSSREFS

Cf. A288226, A288227.

Sequence in context: A247914 A184518 A304802 * A002328 A039133 A113777

Adjacent sequences:  A288225 A288226 A288227 * A288229 A288230 A288231

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 22 2017

STATUS

approved

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Last modified June 17 19:00 EDT 2021. Contains 345085 sequences. (Running on oeis4.)