O.g.f. A(x) satisfies: [x^n] exp(-n*A(x)) / (1 - n*x - n*x^2) = 0, for n > 0.
A321085
O.g.f. A(x) satisfies: [x^n] exp(-n*A(x)) / (1 - n*x - n*x^2) = 0, for n > 0.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =36a(4) =330a(5) =4092a(6) =63308a(7) =1165952a(8) =24802704a(9) =596862420a(10) =16003332092a(11) =472588688880
External references
- oeis: A321085