Product_{n>=1} 1 / (1 - x^n)^(a(n)/n!) = 1 + sin(x).

A354055

Product_{n>=1} 1 / (1 - x^n)^(a(n)/n!) = 1 + sin(x).

Terms

    a(0) =1a(1) =-2a(2) =-1a(3) =4a(4) =-19a(5) =164a(6) =-659a(7) =1408a(8) =-18775a(9) =642224a(10) =-3578279a(11) =-21642752a(12) =-476298835a(13) =11904106304a(14) =25626362581a(15) =68669145088

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