id:A066802 - OEIS Search Results

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Binomial(6*n,3*n).

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20, 924, 48620, 2704156, 155117520, 9075135300, 538257874440, 32247603683100, 1946939425648112, 118264581564861424, 7219428434016265740, 442512540276836779204, 27217014869199032015600 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)=sum_{0<=i, j, k<=n} binomial(n, i)binomial(n, j)binomial(n, k)*binomial(3n, i+j+k) - Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 08 2005`
	CROSSREFS	`Sequence in context: A117798 A006424 A113102 this_sequence A066798 A072035 A069578` `Adjacent sequences: A066799 A066800 A066801 this_sequence A066803 A066804 A066805`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 18 2002`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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