id:A108268 - OEIS Search Results

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Column 2 of triangle A108267.

+0
1

1, 31, 381, 3431, 26769, 193705, 1343521, 9091270, 60632419, 401001030, 2639871326, 17339260251, 113792427233, 746807661549, 4903854042841, 32227106641988, 211992209767971, 1395903036647155, 9200826759772935 (list; graph; listen)

	OFFSET	`0,2`
	MAPLE	`a(n)=polcoeff((1-x)^(n+1)sum(j=0, n, binomial(n+nj+j, nj+j)x^j), 2)`
	CROSSREFS	`Cf. A108267.` `Sequence in context: A142684 A042868 A047689 this_sequence A091348 A142829 A022691` `Adjacent sequences: A108265 A108266 A108267 this_sequence A108269 A108270 A108271`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), May 29 2005`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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