id:A117662 - OEIS Search Results

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a(n)=n(n-1)(n-2)(n+3)/12.

+0
4

0, 0, 0, 3, 14, 40, 90, 175, 308, 504, 780, 1155, 1650, 2288, 3094, 4095, 5320, 6800, 8568, 10659, 13110, 15960, 19250, 23023, 27324, 32200, 37700, 43875, 50778, 58464, 66990, 76415, 86800, 98208, 110704, 124355, 139230, 155400, 172938, 191919 (list; graph; listen)

	OFFSET	`0,4`
	MAPLE	`seq(n(n-1)(n-2)*(n+3)/12, n=0..40);`
	CROSSREFS	`Sequence in context: A034130 A005701 A050297 this_sequence A104905 A055650 A000550` `Adjacent sequences: A117659 A117660 A117661 this_sequence A117663 A117664 A117665`
	KEYWORD	`nonn`
	AUTHOR	`Roger Bagula (rlbagulatftn(AT)yahoo.com), Apr 11 2006`
	EXTENSIONS	`Edited by N. J. A. Sloane (njas(AT)research.att.com), Apr 23 2006`

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

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