id:A107875 - OEIS Search Results

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Column 1 of triangle A107873; a(n) = C( n*(n+1)/2 + n+3, n).

+0
3

1, 5, 28, 220, 2380, 33649, 593775, 12620256, 314457495, 8996462475, 290752384208, 10477677064400, 416579843773639, 18114175790089400, 855130180330364620, 43553532185070076800, 2380434572658017204175 (list; graph; listen)

	OFFSET	`0,2`
	PROGRAM	`(PARI) a(n)=binomial(n*(n+1)/2+n+3, n)`
	CROSSREFS	`Cf. A107873, A107874.` `Sequence in context: A003467 A064898 A151500 this_sequence A038172 A000530 A121674` `Adjacent sequences: A107872 A107873 A107874 this_sequence A107876 A107877 A107878`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Jun 04 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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