A081656 - OEIS

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A081656

2*6^n-2^n.

1, 10, 68, 424, 2576, 15520, 93248, 559744, 3358976, 20154880, 120931328, 725592064, 4353560576, 26121379840, 156728311808, 940369936384, 5642219749376, 33853318758400, 203119913074688, 1218719479496704 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`Binomial transform of A081655. Inverse binomial transform of A081657.`
	FORMULA	`G.f. (1+2x)/((1-6x)(1-2x)) E.g.f. 2exp(6x)-exp(2x)`
	CROSSREFS	`Third column of array A094424.` `Sequence in context: A104598 A026901 A027242 * A026958 A026988 A081280` `Adjacent sequences: A081653 A081654 A081655 * A081657 A081658 A081659`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Mar 26 2003`

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Last modified February 16 19:23 EST 2012. Contains 205945 sequences.