G.f. A(x) satisfies: x = A(x) * (1 - A(x)) * (1 - 3*A(x)).
A250885
G.f. A(x) satisfies: x = A(x) * (1 - A(x)) * (1 - 3*A(x)).
Terms
- a(0) =1a(1) =4a(2) =29a(3) =260a(4) =2603a(5) =27888a(6) =312828a(7) =3627492a(8) =43133255a(9) =523068260a(10) =6444287837a(11) =80433798640
External references
- oeis: A250885