id:A084859 - OEIS Search Results

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Binomial transform of Cullen numbers A002064.

+0
3

1, 4, 16, 62, 232, 842, 2980, 10334, 35248, 118610, 394684, 1301126, 4255624, 13825658, 44657428, 143521838, 459230560, 1463719586, 4649308012, 14722502870, 46491507256, 146447041994, 460259735236, 1443537130622 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=2^n+2n3^(n-1); a(n)=sum{k=0..n, C(n, k)(1+k2^k) }.` `O.g.f.: (1-4x+5x^2)/[(1-2x)(-1+3x)^2]. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 02 2008`
	CROSSREFS	`Cf. A004277.` `Sequence in context: A126929 A133161 A103820 this_sequence A081666 A085781 A113438` `Adjacent sequences: A084856 A084857 A084858 this_sequence A084860 A084861 A084862`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Jun 12 2003`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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