id:A158388 - OEIS Search Results

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-1 followed by infinitely many 1's.

+0
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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`G.f.: (2x-1)/(1-x) . [From Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Mar 19 2009]` `a(n)=1-2[C(2n,n) mod 2] [From Paolo P. Lava (ppl(AT)spl.at), Mar 24 2009]`
	CROSSREFS	`Sequence in context: A122188 A130151 A143431 this_sequence A162285 A065357 A071935` `Adjacent sequences: A158385 A158386 A158387 this_sequence A158389 A158390 A158391`
	KEYWORD	`sign`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Mar 17 2009`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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