Expansion of Product_{k>=1} ((1 - 8^k*x^k)/(1 + 8^k*x^k))^(1/8^k).

A303491

Expansion of Product_{k>=1} ((1 - 8^k*x^k)/(1 + 8^k*x^k))^(1/8^k).

Terms

    a(0) =1a(1) =-2a(2) =0a(3) =-42a(4) =86a(5) =-1638a(6) =1428a(7) =-71286a(8) =218592a(9) =-3941590a(10) =5374096a(11) =-187901262a(12) =661408902a(13) =-10769651242a(14) =18007942140a(15) =-597519823962

External references