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A284777 Positions of 1 in A284775; complement of A284776. 7
2, 5, 6, 8, 10, 13, 14, 17, 18, 20, 23, 24, 26, 29, 30, 32, 34, 37, 38, 41, 42, 44, 46, 49, 50, 53, 54, 56, 59, 60, 62, 64, 67, 68, 71, 72, 74, 77, 78, 80, 82, 85, 86, 89, 90, 92, 95, 96, 98, 101, 102, 104, 106, 109, 110, 113, 114, 116, 118, 121, 122, 125 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
a(n)-2n is in {0,1} for n>=1.
LINKS
EXAMPLE
As a word, A284775 = 0100110..., in which 0 is in positions 2,5,6,8,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 0, 1, 1}}] &, {0}, 7]; (* A284775 *)
Flatten[Position[s, 0]]; (* A284776 *)
Flatten[Position[s, 1]]; (* A284777 *)
CROSSREFS
Sequence in context: A224889 A363676 A047441 * A344312 A081083 A288635
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 14 2017
STATUS
approved

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Last modified July 18 12:17 EDT 2024. Contains 374378 sequences. (Running on oeis4.)