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Search: id:A119549
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| A119549 |
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Binomial( Catalan(n), 4). |
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+0
1
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| 0, 0, 0, 5, 1001, 111930, 12082785, 1391641251, 173503885555, 23254794293445, 3314798008593435, 497553828530038280, 78006319950663676495, 12691316771806311085525, 2131666305090876552710790
(list; graph; listen)
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OFFSET
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0,4
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FORMULA
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binomial(binomial(2*n,n)/(n+1),4)
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MAPLE
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[seq (binomial(binomial(2*n, n)/(n+1), 4), n=0..24)];
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CROSSREFS
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Cf. A000108, A051790, A051789.
Sequence in context: A093853 A157332 A024072 this_sequence A004805 A123266 A034864
Adjacent sequences: A119546 A119547 A119548 this_sequence A119550 A119551 A119552
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KEYWORD
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easy,nonn
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AUTHOR
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Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 29 2006
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