id:A074703 - OEIS Search Results

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a(n) = n^2*a(n-1)+1, a(1)=0.

+0
1

0, 1, 10, 161, 4026, 144937, 7101914, 454522497, 36816322258, 3681632225801, 445477499321922, 64148759902356769, 10841140423498293962, 2124863523005665616553, 478094292676274763724426 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`a(n) = round(n!^2*(BesselI(0, 2)-2)).`
	CROSSREFS	`Cf. A006040, A073701.` `Sequence in context: A112125 A090374 A034724 this_sequence A064747 A054688 A112650` `Adjacent sequences: A074700 A074701 A074702 this_sequence A074704 A074705 A074706`
	KEYWORD	`easy,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 03 2002`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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