id:A132689 - OEIS Search Results

Search: id:A132689

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a(n) = C(2^n + 3*n + 1, n).

+0
3

1, 6, 55, 816, 23751, 1712304, 377447148, 294109729200, 871896500955975, 10061777828754031380, 451004941990890693018405, 77739225019650285306412710240, 51039474754930845750609669420261300 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = [x^n] 1/(1-x)^(2^n + 2*n + 2).`
	PROGRAM	`(PARI) a(n)=binomial(2^n+3*n+1, n)`
	CROSSREFS	`Cf. A132687, A132688.` `Sequence in context: A006200 A151345 A095652 this_sequence A140790 A137033 A045526` `Adjacent sequences: A132686 A132687 A132688 this_sequence A132690 A132691 A132692`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Aug 26 2007`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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