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%I #9 Feb 28 2020 03:40:07
%S 1,2,12,138,2888,110856,7930308,1066762914,269503442664,
%T 127145506540264,111423795046477280,180809538057863059816,
%U 542580059649459401231312,3010357860273895667573920480,30891867430474245598850484085824,586720323003917440902757177392624562
%N Main diagonal of square array A093541, in which column (k+1) equals the self-convolution of row k.
%H Jinyuan Wang, <a href="/A093543/b093543.txt">Table of n, a(n) for n = 0..84</a>
%o (PARI) T(n,k)=if(n==0 || k==0,1,sum(i=0,n,T(k-1,i)*T(k-1,n-i)));
%o a(n)=T(n,n);
%Y Cf. A093541, A093542.
%K nonn
%O 0,2
%A _Paul D. Hanna_, Mar 30 2004
%E More terms from _Jinyuan Wang_, Feb 28 2020
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