A125864 Column 4 of table A125860; also equals row sums of matrix power A097712^4.

1, 5, 35, 365, 5990, 161525, 7387640, 586285040, 82090572095, 20540291522675, 9278896006526795, 7632398133742637255, 11514756687812563119530, 32063466203746720003813970, 165699104606274900865952221145

Offset: 0

Author

Paul D. Hanna, Dec 13 2006

Keywords

• nonn

Comments

Equals column 0 of matrix power A097712^5, where triangle A097712 satisfies recurrence: A097712(n,k) = A097712(n-1,k) + [A097712^2](n-1,k-1).

Crossrefs

Cf. A125860; A097712; other columns: A016121, A125862, A125863, A125865; A125861 (diagonal), A125859 (antidiagonal sums).