VOOZH about

URL: https://oeis.org/A113718

⇱ A113718 - OEIS

login
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.
3
1, 7, 61, 601, 6595, 79981, 1065589, 15495415, 244303729, 4150355713, 75565751587, 1467738869713, 30293536617097, 662150899215079, 15282101338843129, 371439268964362789, 9485239068692006047
OFFSET
0,2
FORMULA
a(n) = Sum_{j=0..n} A113716(n, j)*6^j.
CROSSREFS
Cf. A113716, A113717 (column 1), A113719 (row sums).
Sequence in context: A269731 A199686 A390921 * A177132 A364430 A077642
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Nov 08 2005
STATUS
approved