A113718 Column 2 of triangle A113716, in which row n forms a polynomial in y=3*k that generates diagonal n as k=0,1,2,... for n>=0.

1, 7, 61, 601, 6595, 79981, 1065589, 15495415, 244303729, 4150355713, 75565751587, 1467738869713, 30293536617097, 662150899215079, 15282101338843129, 371439268964362789, 9485239068692006047

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Formula

a(n) = Sum_{j=0..n} A113716(n, j)*6^j.

Crossrefs

Cf. A113716, A113717 (column 1), A113719 (row sums).

Sequence in context: A098659 A269731 A199686 * A177132 A364430 A077642

Adjacent sequences: A113715 A113716 A113717 * A113719 A113720 A113721

Keyword

nonn

Author

Paul D. Hanna, Nov 08 2005

Status

approved