id:A107863 - OEIS Search Results

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Column 1 of triangle A107862; a(n) = C( n*(n+1)/2 + n, n).

+0
2

1, 2, 10, 84, 1001, 15504, 296010, 6724520, 177232627, 5317936260, 179013799328, 6681687099710, 273897571557780, 12233149001721760, 591315394579074378, 30756373941461374800, 1712879663609111933495, 101696990867999141755140 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) a(n)=binomial(n*(n+1)/2+n, n)`
	CROSSREFS	`Cf. A107862, A014068.` `Sequence in context: A121516 A024491 A113332 this_sequence A065866 A156466 A132397` `Adjacent sequences: A107860 A107861 A107862 this_sequence A107864 A107865 A107866`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jun 04 2005`

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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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