id:A051893 - OEIS Search Results

Search: id:A051893

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a(n)=sum(i^2*a(i),i=1..n-1), a(1)=1;.

+0
2

1, 1, 5, 50, 850, 22100, 817700, 40885000, 2657525000, 217917050000, 22009622050000, 2685173890100000, 389350214064500000, 66189536390965000000, 13039338669020105000000 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`Product(i^2+1, i=2..n-1) (n>2). - Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 26 2002`
	CROSSREFS	`Cf. A101686.` `Sequence in context: A113132 A088992 A116906 this_sequence A082100 A070995 A063803` `Adjacent sequences: A051890 A051891 A051892 this_sequence A051894 A051895 A051896`
	KEYWORD	`nice,nonn`
	AUTHOR	`Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Dec 17 1999`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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