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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 (list; graph; refs; listen; history; text; internal format)
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 A077642 A071172

Adjacent sequences:  A113715 A113716 A113717 * A113719 A113720 A113721

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 08 2005

STATUS

approved

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Last modified November 12 09:25 EST 2019. Contains 329054 sequences. (Running on oeis4.)