Odd coefficients in Sum_{n>=0} x^n * (x^n + i)^n / (1 + i*x^(n+1))^(n+1), where i^2 = -1.

A323676

Odd coefficients in Sum_{n>=0} x^n * (x^n + i)^n / (1 + i*x^(n+1))^(n+1), where i^2 = -1.

Terms

    a(0) =1a(1) =-1a(2) =-7a(3) =-9a(4) =39a(5) =533a(6) =2701a(7) =9567a(8) =5259a(9) =23687a(10) =-531597a(11) =-6683401a(12) =-27445177a(13) =-251078037a(14) =-1245962509a(15) =-5523256133a(16) =-24464598853a(17) =-121368642607a(18) =-6413965885

External references