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

0,2

Links

Table of n, a(n) for n=0..15.

Prog

(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]

Crossrefs

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

Sequence in context: A062744 A059968 A255522 * A027397 A305969 A081697

Adjacent sequences: A113351 A113352 A113353 * A113355 A113356 A113357

Keyword

nonn

Author

Paul D. Hanna, Nov 08 2005

Status

approved