id:A034009 - OEIS Search Results

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Partial sums of A045889.

+0
6

1, 8, 38, 140, 443, 1268, 3384, 8584, 20965, 49744, 115402, 262996, 590831, 1311900, 2884956, 6293040, 13633305, 29362200, 62916910, 134220380, 285215651, 603983108, 1275072128, 2684358680, 5637149133, 11811165088 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Convolution of A000295(n+2), n >= 0.`
	FORMULA	`a(n) = (n-3)2^(n+4)+binomial(n+3, 3)+4(binomial(n+1, 2)+4n+12); G.f.: 1/((1-2x)*(1-x)^2)^2.`
	CROSSREFS	`Cf. A045889, A000295.` `Adjacent sequences: A034006 A034007 A034008 this_sequence A034010 A034011 A034012` `Sequence in context: A128246 A139798 A065762 this_sequence A038732 A038799 A036684`
	KEYWORD	`easy,nonn`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)`

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.

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