id:A060080 - OEIS Search Results

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Scaled sums of squares.

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1, 5, 56, 1080, 31680, 1310400, 72576000, 5181926400, 463325184000, 50697529344000, 6663103856640000, 1035678099456000000, 187913434365296640000, 39357424864287129600000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)= sum(k^2, k=1..n)((n-1)!)^2 = (n+1)!(n-1)!(2n+1)/3!.`
	CROSSREFS	`A060074 Comment.` `Sequence in context: A006658 A006293 A132618 this_sequence A076455 A000362 A103047` `Adjacent sequences: A060077 A060078 A060079 this_sequence A060081 A060082 A060083`
	KEYWORD	`nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Mar 16 2001`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research