id:A081657 - OEIS Search Results

Search: id:A081657

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2*7^n-3^n.

+0
2

1, 11, 89, 659, 4721, 33371, 234569, 1644899, 11523041, 80687531, 564891449, 3954476339, 27682042961, 193776426491, 1356441362729, 9495108670979, 66465818092481, 465260898834251, 3256826808400409, 22797789208484819 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Binomial transform of A081656.`
	FORMULA	`G.f. (1+x)/((1-7x)(1-3x)) E.g.f. 2exp(7x)-exp(3x)`
	CROSSREFS	`Sequence in context: A142166 A128448 A121155 this_sequence A037580 A110252 A055425` `Adjacent sequences: A081654 A081655 A081656 this_sequence A081658 A081659 A081660`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 26 2003`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

AT&T Labs Research