A127395 - OEIS

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A127395

Product((2*i)!,i = 1..n) - ((n+1)!)^n.

0, 0, 12, 20736, 1186099200, 4863092981760000, 2405722022408355840000000, 210982363040448544794759659520000000, 4417663598633083951292726052200194139750400000000, 28285349218442861392592006529041874362190858603724800000000000000, 68815738101453790475316164980880834884596607113691790965601206272000000000000000000 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	COMMENTS	`Theorem: Product((2*i)!,i = 1..n) > ((n+1)!)^n for n >= 2.`
	REFERENCES	`D. S. Mitrinovic, Analytic Inequalities, Springer-Verlag, 1970; p. 193, 3.1.18.`
	CROSSREFS	`Sequence in context: A012736 A176771 A013750 * A076807 A146519 A049504` `Adjacent sequences: A127392 A127393 A127394 * A127396 A127397 A127398`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 02 2007`

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.