-7904

Appears in sequences

• G.f.: Sum_{n>=0} x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+1).at n=53A323557
• G.f.: Sum_{n>=0} x^n * (x^n + i)^n / (1 + i*x^(n+1))^(n+1), where i^2 = -1.at n=53A323675
• E.g.f. satisfies A(x)^A(x) = 1/(1 - x)^x.at n=8A356905