id:A132684 - OEIS Search Results

Search: id:A132684

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a(n) = C(2^n + n + 1, n).

+0
4

1, 4, 21, 220, 5985, 501942, 143218999, 145944307080, 542150225230185, 7398714129087308170, 372134605932348010322571, 69146263065062394421802892300, 47589861944854471977019273909187085 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = [x^n] 1/(1-x)^(2^n + 2).`
	PROGRAM	`(PARI) a(n)=binomial(2^n+n+1, n)`
	CROSSREFS	`Cf. A060690, A132683.` `Adjacent sequences: A132681 A132682 A132683 this_sequence A132685 A132686 A132687` `Sequence in context: A078670 A065527 A041667 this_sequence A032074 A006822 A126458`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 26 2007`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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