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A059595 Seventh column (m=6) of convolution triangle A059594(n,m). 1
1, 7, 35, 133, 434, 1246, 3262, 7890, 17913, 38479, 78883, 155141, 294280, 540344, 963832, 1674568, 2841006, 4715970, 7673834, 12259142, 19254676, 29768972, 45355660, 68164628, 101143574, 148289946 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..25.

FORMULA

G.f.: 1/((1-x^2)*(1-x))^7.

a(2*k)= binomial(k+10, 10)* (16*k^3+212*k^2+708*k+429)/(13*3*11);

a(2*k+1)= binomial(k+10, 10)*(16*k^3+316*k^2+1852*k+3003)/(13*3*11), k >= 0.

MATHEMATICA

CoefficientList[Series[1/((1-x^2)(1-x))^7, {x, 0, 30}], x] (* Harvey P. Dale, Dec 04 2018 *)

CROSSREFS

Sequence in context: A250284 A328019 A327243 * A327385 A344101 A001941

Adjacent sequences:  A059592 A059593 A059594 * A059596 A059597 A059598

KEYWORD

nonn

AUTHOR

Wolfdieter Lang, Feb 02 2001.

STATUS

approved

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Last modified August 2 11:23 EDT 2021. Contains 346422 sequences. (Running on oeis4.)