id:A130979 - OEIS Search Results

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G.f. : 7/(3+4*sqrt(1-28*x)).

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4

1, 8, 120, 2192, 44248, 949488, 21237168, 489517344, 11544312984, 277190766896, 6753051796240, 166505875155936, 4146984734796016, 104174408364697952, 2636346768784492128, 67149645964991840832, 1720072455615130558488 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = Sum{k, 0<=k<=n}A039599(n,k)*7^(n-k). - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Aug 25 2007`
	CROSSREFS	`Sequence in context: A053129 A045899 A004381 this_sequence A133308 A007762 A113383` `Adjacent sequences: A130976 A130977 A130978 this_sequence A130980 A130981 A130982`
	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 July 26 23:19 EDT 2008. Contains 142293 sequences.

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