G.f. A(x) satisfies: 1 = Sum_{n>=0} ((1+x)^n + i)^n / (A(x) + 1 + i*(1+x)^n)^(n+1), where i^2 = -1.
A323572
G.f. A(x) satisfies: 1 = Sum_{n>=0} ((1+x)^n + i)^n / (A(x) + 1 + i*(1+x)^n)^(n+1), where i^2 = -1.
Terms
- a(0) =1a(1) =5a(2) =45a(3) =1142a(4) =47253a(5) =2664573a(6) =187170069a(7) =15598588065
External references
- oeis: A323572