E.g.f. A(x) satisfies: [x^n] A(x)^(4*n) = (n + 3) * [x^(n-1)] A(x)^(4*n) for n>=1.
A300988
E.g.f. A(x) satisfies: [x^n] A(x)^(4*n) = (n + 3) * [x^(n-1)] A(x)^(4*n) for n>=1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =43a(4) =1369a(5) =69561a(6) =4991371a(7) =471516403a(8) =56029153713
External references
- oeis: A300988