E.g.f.: A(x) = Series_Reversion[ x - Sum_{n>=2} (-x)^n/(n(n-1)/2) ].
A180715
E.g.f.: A(x) = Series_Reversion[ x - Sum_{n>=2} (-x)^n/(n(n-1)/2) ].
Terms
- a(0) =1a(1) =2a(2) =10a(3) =84a(4) =988a(5) =14944a(6) =276288a(7) =6037088a(8) =152213344a(9) =4349539776a(10) =138913306816
External references
- oeis: A180715