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A284931 Positions of 1 in A284929; complement of A284930. 3
2, 3, 5, 6, 7, 9, 10, 12, 13, 15, 16, 17, 19, 20, 21, 23, 24, 26, 27, 29, 30, 31, 33, 34, 36, 37, 39, 40, 41, 43, 44, 46, 47, 49, 50, 51, 53, 54, 55, 57, 58, 60, 61, 63, 64, 65, 67, 68, 69, 71, 72, 74, 75, 77, 78, 79, 81, 82, 84, 85, 87, 88, 89, 91, 92, 94 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  -1 < 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, A284929 = 011011..., in which 0 is in positions 2,3,5,6,7,9,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0, 1, 1}}] &, {0}, 6] (* A284929 *)

Flatten[Position[s, 0]]  (* A284930 *)

Flatten[Position[s, 1]]  (* A284931 *)

CROSSREFS

Cf. A284929, A284930.

Sequence in context: A248233 A097432 A230391 * A248229 A207672 A038161

Adjacent sequences:  A284928 A284929 A284930 * A284932 A284933 A284934

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 18 2017

STATUS

approved

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Last modified August 11 06:08 EDT 2022. Contains 356046 sequences. (Running on oeis4.)