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A285375 Positions of 1 in A285373; complement of A285374. 3
1, 2, 3, 5, 6, 7, 9, 10, 11, 13, 15, 16, 17, 19, 20, 21, 23, 24, 25, 27, 29, 30, 31, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 47, 49, 50, 51, 53, 54, 55, 57, 58, 59, 61, 63, 64, 65, 67, 68, 69, 71, 72, 73, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89, 91, 92 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: 0 < n*sqrt(2) - a(n) < 3 for n>=1.

LINKS

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

EXAMPLE

As a word, A285373 = 11101110..., in which 1 is in positions 1,2,3,5,6,7,9,...

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, A285374, A285376.

Sequence in context: A074235 A325366 A192189 * A321372 A001948 A121912

Adjacent sequences:  A285372 A285373 A285374 * A285376 A285377 A285378

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 26 2017

STATUS

approved

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Last modified April 20 20:26 EDT 2021. Contains 343137 sequences. (Running on oeis4.)