A152402 Column 2 of triangle A152400.

1, 3, 15, 99, 794, 7414, 78507, 926026, 12010188, 169580899, 2586371577, 42336163519, 739814864633, 13739211766050, 270108101356162, 5602446487013365, 122232180232983149, 2797753890784828302

Offset: 0

Author

Paul D. Hanna, Dec 05 2008

Keywords

• nonn

Comments

Matrix powers of triangle T=A152400 satisfy:

column k of T^(j+1) = column j of T^(k+1) for all j>=0, k>=0.

Crossrefs

Cf. A152400; A127715, A152401, A152403, A152404; A152405.