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A285404 Positions of 0 in A285403; complement of A285405. 3
5, 6, 12, 13, 19, 20, 26, 27, 29, 30, 32, 33, 35, 36, 38, 39, 45, 46, 52, 53, 59, 60, 66, 67, 73, 74, 76, 77, 79, 80, 82, 83, 85, 86, 92, 93, 99, 100, 106, 107, 113, 114, 120, 121, 123, 124, 126, 127, 129, 130, 132, 133, 139, 140, 146, 147, 153, 154, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

As a word, A285403 = 1111001..., in which 0 is in positions 5,6,12,13,19,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 0, 1}}] &, {0}, 11] (* A285403 *)

Flatten[Position[s, 0]]  (* A285404 *)

Flatten[Position[s, 1]]  (* A285405 *)

CROSSREFS

Cf. A285401, A285403, A285405.

Sequence in context: A273158 A099641 A207189 * A047319 A244368 A185031

Adjacent sequences:  A285401 A285402 A285403 * A285405 A285406 A285407

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 27 2017

STATUS

approved

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Last modified March 28 11:00 EDT 2020. Contains 333083 sequences. (Running on oeis4.)