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A321458 Expansion of Product_{1 <= i <= j <= k} (1 - x^(i^2 + j^2 + k^2)). 2

%I #7 Nov 10 2018 10:16:42

%S 1,0,0,-1,0,0,-1,0,0,0,0,-1,0,0,0,2,0,1,-1,-1,2,0,0,1,0,3,-3,-1,1,-1,

%T 4,-1,1,0,-5,1,-1,0,0,-1,5,-2,-7,-1,-1,5,0,0,2,-5,-2,-3,1,3,-3,5,1,-3,

%U -8,-4,16,1,4,-1,2,4,-17,4,5,2,10,-6,10,-7,-23,18,3,12

%N Expansion of Product_{1 <= i <= j <= k} (1 - x^(i^2 + j^2 + k^2)).

%F G.f.: Product_{k>0} (1 - x^k)^A025427(k).

%Y Cf. A025427, A321432, A321436, A321457, A321459.

%K sign

%O 0,16

%A _Seiichi Manyama_, Nov 10 2018

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)