G.f. A(x) satisfies: A(x - 4*x*A(x)) = x - 3*x*A(x).
A291815
G.f. A(x) satisfies: A(x - 4*x*A(x)) = x - 3*x*A(x).
Terms
- a(0) =1a(1) =1a(2) =9a(3) =109a(4) =1569a(5) =25481a(6) =454105a(7) =8730373a(8) =178996865a(9) =3881556561a(10) =88477557289
External references
- oeis: A291815