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A285374 Positions of 0 in A285373; complement of A285375. 4
4, 8, 12, 14, 18, 22, 26, 28, 32, 36, 40, 42, 46, 48, 52, 56, 60, 62, 66, 70, 74, 76, 80, 84, 88, 90, 94, 96, 100, 104, 108, 110, 114, 118, 122, 124, 128, 132, 136, 138, 142, 144, 148, 152, 156, 158, 162, 164, 168, 172, 176, 178, 182, 186, 190, 192, 196, 200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: -4 < n*sqrt(2) - a(n) < 1 for n>=1.

LINKS

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

EXAMPLE

As a word, A285373 = 11101110..., in which 0 is in positions 4,8,12,14,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {1, 1, 1, 0}}] &, {0}, 10] (* A285373 *)

Flatten[Position[s, 0]]  (* A285374 *)

Flatten[Position[s, 1]]  (* A285375 *)

CROSSREFS

Cf. A284373, A285375, A285376, A285377.

Sequence in context: A311079 A257221 A092453 * A132457 A311080 A316360

Adjacent sequences:  A285371 A285372 A285373 * A285375 A285376 A285377

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 26 2017

STATUS

approved

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Last modified October 15 23:54 EDT 2019. Contains 328038 sequences. (Running on oeis4.)