id:A094213 - OEIS Search Results

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a(n)=sum(k=0,n,binomial(9*n,9*k)).

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1, 2, 48622, 9373652, 9263421862, 3433541316152, 2140802758677844, 984101481334553024, 536617781178725122150, 265166261617029717011822, 138567978655457801631498052, 70126939586658252408697345838 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`Let b(n)=a(n)-2^(9n)/9 then b(n)+246b(n-1)-13605b(n-2)+b(n-3)+(-1)^n3078=0`
	PROGRAM	`(PARI) a(n)=sum(k=0, n, binomial(9n, 9k))`
	CROSSREFS	`Cf. A070967, A070782, A070775.` `Sequence in context: A055578 A106025 A157959 this_sequence A153924 A059764 A052427` `Adjacent sequences: A094210 A094211 A094212 this_sequence A094214 A094215 A094216`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 27 2004`

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Last modified November 21 21:21 EST 2009. Contains 167310 sequences.

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