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

A354116

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

Terms

    a(0) =1a(1) =-2a(2) =-1a(3) =4a(4) =-11a(5) =116a(6) =-547a(7) =960a(8) =-7751a(9) =414384a(10) =-3258663a(11) =-6813696a(12) =-390445563a(13) =9694641984a(14) =-964154427a(15) =208258646016

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