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A113713 Column 2 of triangle A113711, in which row n forms a polynomial in y=2*k that generates diagonal n as k=0,1,2,... for n>=0. 4
1, 5, 29, 189, 1373, 11037, 97565, 942109, 9869853, 111475229, 1349927453, 17444868637, 239615283741, 3486244426269, 53566700311069, 866907958202909, 14742110756459037, 262857666867286557, 4904594355185832477 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

FORMULA

a(n) = Sum_{j=0..n} A113711(n, j)*4^j.

CROSSREFS

Cf. A113711, A113712 (column 1), A113714 (column 3), A113715 (row sums).

Sequence in context: A137573 A234317 A078945 * A142980 A062191 A171267

Adjacent sequences:  A113710 A113711 A113712 * A113714 A113715 A113716

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 08 2005

STATUS

approved

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Last modified February 19 10:03 EST 2020. Contains 332041 sequences. (Running on oeis4.)