E.g.f. A(x) satisfies: [x^n] A(x)^(-n) = (2*n - 3) * [x^(n-1)] A(x)^(-n) for n>=1.
A301386
E.g.f. A(x) satisfies: [x^n] A(x)^(-n) = (2*n - 3) * [x^(n-1)] A(x)^(-n) for n>=1.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =49a(4) =745a(5) =16001a(6) =472621a(7) =19659025a(8) =1211940689a(9) =112956505345
External references
- oeis: A301386