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Binomial( Catalan(n), 4).
1

%I #8 Nov 21 2013 12:48:58

%S 0,0,0,5,1001,111930,12082785,1391641251,173503885555,23254794293445,

%T 3314798008593435,497553828530038280,78006319950663676495,

%U 12691316771806311085525,2131666305090876552710790

%N Binomial( Catalan(n), 4).

%H Vincenzo Librandi, <a href="/A119549/b119549.txt">Table of n, a(n) for n = 0..200</a>

%F binomial(binomial(2*n,n)/(n+1),4)

%p [seq (binomial(binomial(2*n,n)/(n+1),4),n=0..24)];

%t Binomial[CatalanNumber[Range[0,20]],4] (* _Harvey P. Dale_, Nov 05 2011 *)

%Y Cf. A000108, A051790, A051789.

%K easy,nonn

%O 0,4

%A _Zerinvary Lajos_, May 29 2006