E.g.f. A(x) satisfies: [x^n] A(x)^(n*(n+1)) = n*(n+1) * [x^(n-1)] A(x)^(n*(n+1)) for n>=1.
A300870
E.g.f. A(x) satisfies: [x^n] A(x)^(n*(n+1)) = n*(n+1) * [x^(n-1)] A(x)^(n*(n+1)) for n>=1.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =307a(4) =37537a(5) =8755561a(6) =3304572391
External references
- oeis: A300870