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A260400 Positions of 0 in the infinite palindromic word at A259599. 3
2, 6, 8, 10, 14, 18, 22, 24, 26, 30, 34, 38, 40, 42, 46, 50, 54, 56, 58, 62, 66, 70, 72, 74, 78, 82, 86, 88, 90, 94, 98, 102, 104, 106, 110, 114, 118, 120, 122, 126, 128, 130, 134, 136, 138, 142, 146, 150, 152, 154, 158, 162, 166, 168, 170, 174, 178, 182 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A260401, the positions of 1. See A260390 for a guide to related sequences.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

MATHEMATICA

u[1] = {1, 0, 1}; m[1] = {u[1][[1]]};

u[n_] := u[n] = Join[u[n - 1], m[n - 1], Reverse[u[n - 1]]];

m[k_] := {u[k][[k]]}; v = u[6]  (* A259599 *)

Table[Length[u[n]], {n, 1, 20}] (* A000225 *)

Flatten[Position[u[8], 0]] (* A260400 *)

Flatten[Position[u[8], 1]] (* A260401 *)

CROSSREFS

Cf. A260390, A260401, A259599, A260401.

Sequence in context: A284794 A187692 A036554 * A296387 A302658 A324175

Adjacent sequences:  A260397 A260398 A260399 * A260401 A260402 A260403

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Aug 13 2015

STATUS

approved

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Last modified March 31 16:23 EDT 2020. Contains 333151 sequences. (Running on oeis4.)