Search: id:A093543
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%I A093543
%S A093543 1,2,12,138,2888,110856,7930308,1066762914,269503442664,127145506540264,
%T A093543 111423795046477280
%N A093543 Main diagonal of square array A093541, in which column (k+1) equals the 
               self-convolution of row k.
%o A093543 (PARI) T(n,k)=if(n<0|k<0,0,if(n==0|k==0,1,sum(i=0,n,T(k-1,i)*T(k-1,n-i)))); 
               a(n)=T(n,n)
%Y A093543 Cf. A093541, A093542.
%Y A093543 Sequence in context: A108996 A117513 A119819 this_sequence A091144 A087800 
               A009747
%Y A093543 Adjacent sequences: A093540 A093541 A093542 this_sequence A093544 A093545 
               A093546
%K A093543 nonn
%O A093543 0,2
%A A093543 Paul D. Hanna (pauldhanna(AT)juno.com), Mar 30 2004

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