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%I #4 Dec 15 2013 09:38:46
%S 1,6,150,8400,834120,129230640,28805736960,8734434508800,
%T 3457819037312640,1732015476199008000,1070842073499515116800,
%U 800968643959240044288000,712900933001021056900608000,744602794912654938776355840000,901893717412811100821094451200000
%N Central terms of triangles A019538 and A090582.
%C a(n) = A019538(2*n-1,n) = A090582(2*n-1,n).
%H Reinhard Zumkeller, <a href="/A233734/b233734.txt">Table of n, a(n) for n = 1..200</a>
%F a(n) = A129506(n) * n!.
%o (Haskell)
%o a233734 n = a019538 (2 * n - 1) n
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Dec 15 2013
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