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A113717 Column 1 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, 4, 22, 157, 1372, 14008, 161995, 2079994, 29268778, 447355381, 7378113658, 130623533086, 2471708825851, 49801573782382, 1064903759520232, 24092915169822295, 575151611909110366, 14450636276353406074 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..17.

FORMULA

a(n) = Sum_{j=0..n} A113716(n, j)*3^j.

CROSSREFS

Cf. A113716, A113718 (column 2), A113719 (row sums).

Sequence in context: A197925 A112697 A327994 * A124563 A122704 A087547

Adjacent sequences:  A113714 A113715 A113716 * A113718 A113719 A113720

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 08 2005

STATUS

approved

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Last modified February 26 17:19 EST 2020. Contains 332293 sequences. (Running on oeis4.)