id:A107868 - OEIS Search Results

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Column 0 of triangle A107867; a(n) = C( n*(n-1)/2 + n + 1, n).

+0
4

1, 2, 6, 35, 330, 4368, 74613, 1560780, 38608020, 1101716330, 35607051480, 1285063345176, 51209646652255, 2232785266876080, 105710363656182600, 5399936810873056584, 295998326072989842600, 17328840976366636057110 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) a(n)=binomial(n*(n-1)/2+n+1, n)`
	CROSSREFS	`Cf. A107867, A107869.` `Sequence in context: A018983 A081003 A038181 this_sequence A058083 A034526 A120824` `Adjacent sequences: A107865 A107866 A107867 this_sequence A107869 A107870 A107871`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jun 04 2005`

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Last modified December 3 16:57 EST 2008. Contains 151279 sequences.

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