A113354 Column 4 of triangle A113350, also equals column 0 of A113340^10.

1, 10, 145, 2575, 53935, 1305070, 35924902, 1111107544, 38212134595, 1448428857802, 60055380515614, 2705916453572344, 131733359512179916, 6894586916062176161, 386203389346756538342, 23061963945353367894173

Offset: 0

Author

Paul D. Hanna, Nov 08 2005

Keywords

• nonn

Crossrefs

Cf. A113340, A113350, A113346 (column 0), A113351 (column 1), A113352 (column 2), A113353 (column 3).

Programs

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^10)[n+1,1]