id:A083085 - OEIS Search Results

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(2+(-5)^n)/3.

+0
2

1, -1, 9, -41, 209, -1041, 5209, -26041, 130209, -651041, 3255209, -16276041, 81380209, -406901041, 2034505209, -10172526041, 50862630209, -254313151041, 1271565755209, -6357828776041, 31789143880209, -158945719401041, 794728597005209, -3973642985026041 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Inverse binomial transform of A083086`
	FORMULA	`a(n)=(2+(-5)^n)/3 G.f. (1+3x)/((1+5x)(1-x)) E.g.f. (2exp(x)+exp(-5x))/3`
	CROSSREFS	`Adjacent sequences: A083082 A083083 A083084 this_sequence A083086 A083087 A083088` `Sequence in context: A034441 A056243 A083584 this_sequence A129793 A050635 A065792`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 23 2003`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

AT&T Labs Research