id:A034904 - OEIS Search Results

Search: id:A034904

Displaying 1-1 of 1 results found.

page 1

Related to sept-factorial numbers A045754.

+0
3

1, 28, 980, 37730, 1531838, 64337196, 2766499428, 121034349975, 5365856182225, 240390356963680, 10861273400995360, 494187939745288880, 22618601857572837200, 1040455685448350511200, 48069052667713793617440 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Convolution of A034835(n-1) with A025752(n), n >= 1.`
	LINKS	`Index entries for sequences related to factorial numbers`
	FORMULA	`a(n) = 7^(n-1)A045754(n)/n!, A045754(n)=(7n-6)(!^7) := product(7j-6, j=1..n); G.f. (-1+(1-49x)^(-1/7))/7.`
	CROSSREFS	`Cf. A045754, A034835, A025752.` `Sequence in context: A129461 A097579 A091549 this_sequence A162006 A025753 A160312` `Adjacent sequences: A034901 A034902 A034903 this_sequence A034905 A034906 A034907`
	KEYWORD	`easy,nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)`

page 1

Search completed in 0.002 seconds

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

AT&T Labs Research