id:A081632 - OEIS Search Results

Search: id:A081632

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2*3^n-(-1)^n.

+0
3

1, 7, 17, 55, 161, 487, 1457, 4375, 13121, 39367, 118097, 354295, 1062881, 3188647, 9565937, 28697815, 86093441, 258280327, 774840977, 2324522935, 6973568801, 20920706407, 62762119217, 188286357655, 564859072961, 1694577218887 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Binomial transform of A081631. Inverse binomial transform of A081654.`
	FORMULA	`G.f.: (1+5x)/((1-3x)(1+x)) E.g.f. 2exp(3x)-exp(-x)`
	CROSSREFS	`Sequence in context: A045821 A115914 A094534 this_sequence A106010 A136192 A118431` `Adjacent sequences: A081629 A081630 A081631 this_sequence A081633 A081634 A081635`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 26 2003`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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