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Expansion of ( Sum_{k>=0} k*q^(k^2) )^3.
5

%I #13 Sep 14 2021 09:46:15

%S 0,0,0,1,0,0,6,0,0,12,0,9,8,0,36,0,0,36,12,27,0,48,54,0,48,0,72,42,0,

%T 144,60,0,0,108,108,90,96,0,198,0,0,216,120,135,72,240,108,0,64,216,

%U 360,96,0,144,396,0,288,324,0,351,0,432,432,0,0,360,492,189,288,432,540,0,96,108,648,335,216,1008,420,0,0,852,216,657

%N Expansion of ( Sum_{k>=0} k*q^(k^2) )^3.

%H Seiichi Manyama, <a href="/A037215/b037215.txt">Table of n, a(n) for n = 0..10000</a>

%Y Cf. A037214, A037216, A037217.

%K nonn

%O 0,7

%A _N. J. A. Sloane_

%E More terms from _Seiichi Manyama_, Sep 14 2021