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A119549
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Binomial( Catalan(n), 4).
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1
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0, 0, 0, 5, 1001, 111930, 12082785, 1391641251, 173503885555, 23254794293445, 3314798008593435, 497553828530038280, 78006319950663676495, 12691316771806311085525, 2131666305090876552710790
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,4
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..200
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FORMULA
| binomial(binomial(2*n,n)/(n+1),4)
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MAPLE
| [seq (binomial(binomial(2*n, n)/(n+1), 4), n=0..24)];
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MATHEMATICA
| Binomial[CatalanNumber[Range[0, 20]], 4] (* From Harvey P. Dale, Nov 05 2011 *)
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CROSSREFS
| Cf. A000108, A051790, A051789.
Sequence in context: A195627 A157332 A024072 * A195535 A004805 A123266
Adjacent sequences: A119546 A119547 A119548 * A119550 A119551 A119552
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KEYWORD
| easy,nonn
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AUTHOR
| Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 29 2006
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