id:A132686 - OEIS Search Results

Search: id:A132686

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

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1, 5, 36, 455, 12650, 962598, 237093780, 209004408899, 689960224294614, 8639439963148103450, 409865407260324119340236, 73328394245057556170201283726, 49287010273876375495535472789937580 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = [x^n] 1/(1-x)^(2^n + n + 2).`
	PROGRAM	`(PARI) a(n)=binomial(2^n+2*n+1, n)`
	CROSSREFS	`Cf. A132685.` `Sequence in context: A081918 A062024 A031971 this_sequence A118018 A156355 A002666` `Adjacent sequences: A132683 A132684 A132685 this_sequence A132687 A132688 A132689`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 26 2007`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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