E.g.f. A(x) satisfies: [x^n] A(x)^(n*(n+1)) = 2*n * [x^(n-1)] A(x)^(n*(n+1)) for n>=1.
A300873
E.g.f. A(x) satisfies: [x^n] A(x)^(n*(n+1)) = 2*n * [x^(n-1)] A(x)^(n*(n+1)) for n>=1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =43a(4) =2041a(5) =197721a(6) =31094251a(7) =7086479443
External references
- oeis: A300873