id:A102392 - OEIS Search Results

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Odious numbers in odious places.

+0
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; listen)

	OFFSET	`0,3`
	COMMENT	`Odious numbers A000069(n) appear at positions indexed by the odious numbers, 0 otherwise. A001477(n)=A102391(n)+A102392(n).`
	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: A048298 A123565 A081120 this_sequence A051517 A053118 A119607` `Adjacent sequences: A102389 A102390 A102391 this_sequence A102393 A102394 A102395`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jan 06 2005`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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