G.f. A(x) satisfies A(x) = 1/((1 - x*A(x)^3) * (1 - x*A(x))^2).
A379186
G.f. A(x) satisfies A(x) = 1/((1 - x*A(x)^3) * (1 - x*A(x))^2).
Terms
- a(0) =1a(1) =3a(2) =21a(3) =202a(4) =2270a(5) =27903a(6) =363412a(7) =4927840a(8) =68834941a(9) =983680783a(10) =14312988289a(11) =211329419670
External references
- oeis: A379186