G.f. A(x) satisfies: 1 = Sum_{n>=0} ((1+x)^(5*n) - A(x))^n.
A321605
G.f. A(x) satisfies: 1 = Sum_{n>=0} ((1+x)^(5*n) - A(x))^n.
Terms
- a(0) =1a(1) =5a(2) =35a(3) =1110a(4) =61830a(5) =4607001a(6) =422112085a(7) =45521033720
External references
- oeis: A321605