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%I #6 Jun 13 2017 23:21:22
%S 1,27,648,16245,442890,13269069,437085705,15779515035,621549547326,
%T 26584365342579,1228849871633643,61116983784901476,
%U 3257058909552139683,185287271910574343301,11212875913429712533737,719555515466643129103760
%N Column 4 of triangle A113360, also equals column 1 of A113360^3.
%C A113360 equals the matrix cube of triangle A113340, where column 4 of A113340^3 = column 1 of A113340^9.
%o (PARI) a(n)=local(A,B); A=matrix(1,1);A[1,1]=1;for(m=2,n+5,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^3)[n+5,5]
%Y Cf. A113340, A113350, A113360 (A113340^3), A113341 (column 0), A113361 (column 1), A113362 (column 2), A113363 (column 3).
%K nonn
%O 0,2
%A _Paul D. Hanna_, Nov 09 2005
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