Expansion of Product_{k>=1} ((1 - k^k*x^k)/(1 + k^k*x^k)).

A292407

Expansion of Product_{k>=1} ((1 - k^k*x^k)/(1 + k^k*x^k)).

Terms

    a(0) =1a(1) =-2a(2) =-6a(3) =-40a(4) =-386a(5) =-4952a(6) =-77116a(7) =-1406164a(8) =-29389570a(9) =-692122610a(10) =-18136684128a(11) =-523599632000

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