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%I #8 Sep 16 2018 16:36:06
%S 1,-2,2,-2,2,-2,2,-2,0,2,-2,2,-2,2,-2,2,0,-2,2,-2,2,-2,2,-2,0,2,-2,0,
%T 2,-2,2,-2,4,-6,6,-2,-2,2,-2,2,-4,6,-6,2,2,-2,2,-2,4,-6,6,-2,-2,2,0,
%U -2,0,2,-2,-2,6,-6,2,2,-2,2,-2,6,-10,10,-6,2,0,-2,2,-6,10
%N Expansion of Product_{k>0} (1 - x^(k^3))/(1 + x^(k^3)).
%F Convolution inverse of A280263.
%Y Product_{k>0} (1 - x^(k^m))/(1 + x^(k^m)): A002448 (m=1), A319243 (m=2), this sequence (m=3).
%Y Cf. A280263.
%K sign
%O 0,2
%A _Seiichi Manyama_, Sep 15 2018
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