G.f. A(x) satisfies A(x) = 1 + x*A(x) / (1 - x*A(x)^2)^3.
A367239
G.f. A(x) satisfies A(x) = 1 + x*A(x) / (1 - x*A(x)^2)^3.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =19a(4) =104a(5) =615a(6) =3829a(7) =24728a(8) =164122a(9) =1112641a(10) =7671781a(11) =53634389a(12) =379305155a(13) =2708686547a(14) =19505022538a(15) =141470864166
External references
- oeis: A367239