G.f.: [ Sum_{n>=0} (2*n + 1) * x^n * (9 - x^n)^n ]^(1/3).
A326606
G.f.: [ Sum_{n>=0} (2*n + 1) * x^n * (9 - x^n)^n ]^(1/3).
Terms
- a(0) =1a(1) =9a(2) =53a(3) =504a(4) =3479a(5) =34362a(6) =248799a(7) =2483091a(8) =18383088a(9) =185472450a(10) =1378756330a(11) =14142832704a(12) =104308903182
External references
- oeis: A326606