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%I #18 May 30 2018 16:14:43
%S 1,-2,-3,2,6,12,1,-10,-32,-46,-24,18,96,168,213,124,-61,-386,-734,
%T -992,-957,-386,685,2288,3939,5158,5012,2930,-1853,-8888,-17283,
%U -24782,-28312,-24422,-9825,16674,54197,96584,134729,153718,138624,73438,-49526,-228614
%N Convolution square of A073592.
%H Seiichi Manyama, <a href="/A276551/b276551.txt">Table of n, a(n) for n = 0..10000</a>
%F G.f.: Product_{k>0} (1-x^k)^(k*2).
%F G.f.: exp(-2*Sum_{k>=1} x^k/(k*(1 - x^k)^2)). - _Ilya Gutkovskiy_, May 30 2018
%Y Column k=2 of A276554.
%Y Product_{k>0} (1-x^k)^(k*m): A161870 (m=-2), A073592 (m=1), this sequence (m=2), A276552 (m=3).
%K sign
%O 0,2
%A _Seiichi Manyama_, Apr 10 2017
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