id:A071413 - OEIS Search Results

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a(n) = if n=0 then 0 else a(floor(n/2))+n*(-1)^(n mod 2).

+0
1

0, -1, 1, -4, 5, -4, 2, -11, 13, -4, 6, -15, 14, -11, 3, -26, 29, -4, 14, -23, 26, -15, 7, -38, 38, -11, 15, -38, 31, -26, 4, -57, 61, -4, 30, -39, 50, -23, 15, -62, 66, -15, 27, -58, 51, -38, 8, -85, 86, -11, 39, -62, 67, -38, 16, -93, 87, -26, 32, -85, 64, -57, 5 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`R. Stephan, Some divide-and-conquer sequences ...` `R. Stephan, Table of generating functions`
	CROSSREFS	`Cf. A005187.` `Sequence in context: A092141 A120867 A011427 this_sequence A161811 A016717 A031349` `Adjacent sequences: A071410 A071411 A071412 this_sequence A071414 A071415 A071416`
	KEYWORD	`sign`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 24 200o`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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