Expansion of Product_{n>=1} 1/(1 + 9*x^n)^(1/3).

A303353

Expansion of Product_{n>=1} 1/(1 + 9*x^n)^(1/3).

Terms

    a(0) =1a(1) =-3a(2) =15a(3) =-120a(4) =915a(5) =-7086a(6) =56661a(7) =-462405a(8) =3819165a(9) =-31843110a(10) =267610443a(11) =-2263491255a(12) =19246265025a(13) =-164379723735

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