id:A124996 - OEIS Search Results

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a(n) = constant term in expansion of Prod_{ k = 1..n } (x^k + 1/x^k)^4.

+0
2

1, 6, 44, 426, 4658, 55260, 689508, 8914872, 118374410, 1604658420, 22115171280, 308940507202, 4364729023812, 62256518307724, 895294865045296, 12966655239260890, 188967013096930258, 2769003814616561636, 40773380119956434784, 603008173331642200144 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`For constant term in expansion of Prod_{ k = 1..n } (x^k + 1/x^k)^q for other values of q see A063865, A047653, A124995.` `Sequence in context: A147688 A090442 A084965 this_sequence A001852 A065783 A158460` `Adjacent sequences: A124993 A124994 A124995 this_sequence A124997 A124998 A124999`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jul 12 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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