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A102392 Odious numbers in odious places. 3
0, 1, 2, 0, 4, 0, 0, 7, 8, 0, 0, 11, 0, 13, 14, 0, 16, 0, 0, 19, 0, 21, 22, 0, 0, 25, 26, 0, 28, 0, 0, 31, 32, 0, 0, 35, 0, 37, 38, 0, 0, 41, 42, 0, 44, 0, 0, 47, 0, 49, 50, 0, 52, 0, 0, 55, 56, 0, 0, 59, 0, 61, 62, 0, 64, 0, 0, 67, 0, 69, 70, 0, 0, 73, 74, 0, 76, 0, 0, 79, 0, 81, 82, 0, 84, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Odious numbers A000069(n) appear at positions indexed by the odious numbers, 0 otherwise. A001477(n)=A102391(n)+A102392(n).

LINKS

Table of n, a(n) for n=0..85.

FORMULA

a(n)=if((1+floor(n/2))(1+(-1)^A000120(n))/2=0, n, 0); a(n)=if((1+floor(n/2))(1+(-1)^A010060(n))/2=0, n, 0).

CROSSREFS

Sequence in context: A081120 A200038 A249093 * A227311 A178515 A051517

Adjacent sequences:  A102389 A102390 A102391 * A102393 A102394 A102395

KEYWORD

easy,nonn,base

AUTHOR

Paul Barry, Jan 06 2005

STATUS

approved

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Last modified February 18 20:32 EST 2018. Contains 299330 sequences. (Running on oeis4.)