G.f. satisfies A(x) = (1 + x)^3 + x*A(x)^4.
A366699
G.f. satisfies A(x) = (1 + x)^3 + x*A(x)^4.
Terms
- a(0) =1a(1) =4a(2) =19a(3) =173a(4) =1860a(5) =21814a(6) =271388a(7) =3515330a(8) =46906860a(9) =640321565a(10) =8899950644a(11) =125524292790
External references
- oeis: A366699