%I A113346
%S A113346 1,2,5,19,113,966,10958,156700,2727794,56306696,1350043965,36979531549,
%T A113346 1141573025172,39272377323693,1491452150268436,62027842189908231,
%U A113346 2805631215820328992,137199563717151509077,7215932308408758314447
%N A113346 Column 0 of triangle A113345, also equals column 0 of A113350.
%C A113346 A113345 is the matrix square of A113340.
%o A113346 (PARI) {a(n)=local(A,B);A=matrix(1,1);A[1,1]=1;for(m=2,n+1,B=matrix(m,
               m); for(i=1,m, for(j=1,i,if(i<3|j==i|j>m-1,B[i,j]=1,if(j==1, B[i,
               1]=1,B[i,j]=(A^(2*j-1))[i-j+1,1]));));A=B);(A^2)[n+1,1]}
%Y A113346 Cf. A113340, A113345, A113347 (column 1), A113348 (column 2), A113349 
               (column 3); A113350.
%Y A113346 Sequence in context: A009311 A107882 A089126 this_sequence A054926 A002786 
               A039719
%Y A113346 Adjacent sequences: A113343 A113344 A113345 this_sequence A113347 A113348 
               A113349
%K A113346 nonn
%O A113346 0,2
%A A113346 Paul D. Hanna (pauldhanna(AT)juno.com), Nov 08 2005