id:A055834 - OEIS Search Results

Search: id:A055834

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T(2n,n), where T is the array in A055830.

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1, 1, 4, 18, 85, 413, 2044, 10248, 51876, 264550, 1357070, 6994780, 36196706, 187938842, 978599560, 5108177816, 26721644973, 140050505085, 735254208670, 3865837887450, 20353393741065, 107290306033845, 566194674179160 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = sum(k=0,n,binomial(n+k-1,n)*binomial(k,n-k)). - Max Alekseyev, Jun 17 2007`
	CROSSREFS	`Sequence in context: A085923 A110166 A046885 this_sequence A079567 A030278 A151252` `Adjacent sequences: A055831 A055832 A055833 this_sequence A055835 A055836 A055837`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu), May 28 2000`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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