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Expansion of ( Sum_{k>=0} k*q^(k^2) )^4.
5

%I #12 Sep 14 2021 09:46:25

%S 0,0,0,0,1,0,0,8,0,0,24,0,12,32,0,72,16,0,144,16,54,96,96,216,0,192,

%T 216,144,256,0,576,336,0,576,336,432,261,544,864,744,384,0,1440,672,

%U 540,1440,960,1296,192,1216,1728,1440,1230,864,3168,1416,0,1920,3192,2160,2304,2144,1728,3816,256,3456,5328,1568

%N Expansion of ( Sum_{k>=0} k*q^(k^2) )^4.

%H Seiichi Manyama, <a href="/A037216/b037216.txt">Table of n, a(n) for n = 0..10000</a>

%Y Cf. A037214, A037215, A037217.

%K nonn

%O 0,8

%A _N. J. A. Sloane_

%E More terms from _Seiichi Manyama_, Sep 14 2021