A084899 - OEIS

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A084899

Binomial transform of heptagonal numbers A000566.

0, 1, 9, 42, 152, 480, 1392, 3808, 9984, 25344, 62720, 152064, 362496, 851968, 1978368, 4546560, 10354688, 23396352, 52494336, 117047296, 259522560, 572522496, 1257242624, 2749366272, 5989466112, 13002342400, 28135391232 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`Binomial transform is A084900. 2nd binomial transform of (0,1,5,0,0,0,....).`
	FORMULA	`G.f.: x(1 + 3x)/(1 - 2x)^3; a(n)=2^(n - 2)*n(5n - 1)/2.`
	CROSSREFS	`Sequence in context: A061927 A051923 A180670 * A074443 A007227 A195975` `Adjacent sequences: A084896 A084897 A084898 * A084900 A084901 A084902`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jun 10 2003`

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Last modified February 17 02:48 EST 2012. Contains 205978 sequences.