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

A354274

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

Terms

    a(0) =1a(1) =0a(2) =-1a(3) =4a(4) =-11a(5) =-4a(6) =-547a(7) =7680a(8) =-7751a(9) =81744a(10) =-3258663a(11) =-9474816a(12) =-390445563a(13) =233029824a(14) =-964154427

External references