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A026364 a(n) = greatest k such that s(k) = n, where s = A026362. 5
2, 7, 10, 13, 16, 21, 24, 29, 32, 37, 40, 45, 48, 51, 54, 59, 62, 67, 70, 73, 76, 81, 84, 89, 92, 95, 98, 103, 106, 111, 114, 117, 120, 125, 128, 133, 136, 141, 144, 149, 152, 155, 158, 163, 166, 171, 174, 177, 180, 185, 188, 193, 196 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Complement of A026363.  Positions of 0 in the fixed point of the morphism 0->11, 1->101; see A285430.  Conjecture:  -1 < n*r - a(n) < 4 for n>=1, where r = 2 + sqrt(3). - Clark Kimberling, Apr 28 2017

LINKS

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

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 0, 1}}] &, {0}, 13] (* A285430 *)

Flatten[Position[s, 0]]  (* A026364 *)

Flatten[Position[s, 1]]  (* A026363 *)

(* Clark Kimberling, Apr 28 2017 *)

CROSSREFS

Cf. A026363, A285430.

Sequence in context: A190433 A277551 A029904 * A203621 A297832 A003158

Adjacent sequences:  A026361 A026362 A026363 * A026365 A026366 A026367

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 7 09:46 EST 2021. Contains 341869 sequences. (Running on oeis4.)