id:A131521 - OEIS Search Results

Search: id:A131521

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G.f. : 9/(4+5*sqrt(1-36*x)).

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1, 10, 190, 4420, 113950, 3128140, 89608780, 2647358920, 80065458910, 2466432898300, 77115832253380, 2440820453410360, 78053018025315340, 2517915855707814520, 81839894422876183000, 2677554649095487584400 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = Sum{k, 0<=k<=n}A039599(n,k)*9^(n-k). - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Aug 25 2007`
	CROSSREFS	`Adjacent sequences: A131518 A131519 A131520 this_sequence A131522 A131523 A131524` `Sequence in context: A006409 A056174 A033714 this_sequence A113373 A045756 A072387`
	KEYWORD	`nonn`
	AUTHOR	`Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Aug 23 2007`
	EXTENSIONS	`More terms from Olivier Gerard (Sep 22 2007).`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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