id:A081627 - OEIS Search Results

Search: id:A081627

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2*7^n-5^n.

+0
3

1, 9, 73, 561, 4177, 30489, 219673, 1568961, 11138977, 78754089, 555184873, 3905825361, 27438433777, 192557317689, 1350342630073, 9464605441761, 66313273248577, 464498088521289, 3253012498555273, 22778716884418161 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Binomial transform of A081626.`
	FORMULA	`G.f. (1-3x)/((1-5x)(1-7x)) E.g.f. 2exp(7x)-exp(5x)`
	CROSSREFS	`Sequence in context: A143571 A079927 A126641 this_sequence A164588 A023001 A015454` `Adjacent sequences: A081624 A081625 A081626 this_sequence A081628 A081629 A081630`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 25 2003`

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research