id:A033999 - OEIS Search Results

Search: id:A033999

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(-1)^n.

+0
25

1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1, -1, 1 (list; graph; listen)

	OFFSET	`0,1`
	LINKS	`Tanya Khovanova, Recursive Sequences` `Eric Weisstein's World of Mathematics, Inverse Tangent` `Eric Weisstein's World of Mathematics, Stirling Transform`
	FORMULA	`G.f.: 1/(1+x). E.g.f.: exp(-x). D.g.f.: (2^(1-s)-1)*zeta(s).`
	MAPLE	`A033999 := n->(-1)^n;`
	CROSSREFS	`Adjacent sequences: A033996 A033997 A033998 this_sequence A034000 A034001 A034002` `Sequence in context: A014077 A098417 A076479 this_sequence A057077 A063747 A077008`
	KEYWORD	`sign,easy`
	AUTHOR	`Vasiliy Danilov (danilovv(AT)usa.net) Jun 15 1998`

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Last modified May 17 13:36 EDT 2008. Contains 139908 sequences.

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