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Seventh column (m=6) of convolution triangle A059594(n,m).
1

%I #5 Dec 04 2018 20:40:31

%S 1,7,35,133,434,1246,3262,7890,17913,38479,78883,155141,294280,540344,

%T 963832,1674568,2841006,4715970,7673834,12259142,19254676,29768972,

%U 45355660,68164628,101143574,148289946

%N Seventh column (m=6) of convolution triangle A059594(n,m).

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

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

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

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

%K nonn

%O 0,2

%A _Wolfdieter Lang_, Feb 02 2001.