id:A165975 - OEIS Search Results

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sqrt( binomial(4n,0) * binomial(4n,1) * ... * binomial(4n,2n-1) )

+0
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1, 2, 112, 261360, 27983155200, 143829595278720000, 36441048083860298170220544, 463109968103790656729135319264000000, 298869615482782118878970689211942578421760000000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = (4n)!^n / A165970(n)`
	CROSSREFS	`Sequence in context: A012528 A024342 A012525 this_sequence A051590 A091302 A042567` `Adjacent sequences: A165972 A165973 A165974 this_sequence A165976 A165977 A165978`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev (maxale(AT)gmail.com), Oct 02 2009`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

AT&T Labs Research