id:A112332 - OEIS Search Results

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a(n)=Product{k=0..n-1, k!*binomial(2k,k)}.

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1, 1, 2, 24, 2880, 4838400, 146313216000, 97339256340480000, 1683704371913057894400000, 873705178746128941669416960000000, 15414977576506278044562764045746176000000000 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n)=denominator(Product{k=0..n-1, (2k+1)!/(n+k)!})`
	MAPLE	`seq(mul(mul((j+k), j=1..k), k=1..n), n=-1..9); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Sep 21 2007`
	CROSSREFS	`Cf. A110131, A005130.` `Sequence in context: A007079 A083697 A110131 this_sequence A101339 A111428 A111429` `Adjacent sequences: A112329 A112330 A112331 this_sequence A112333 A112334 A112335`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Sep 04 2005`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research