G.f. satisfies: A(x) = 1/(1 - x/(1 - x*A(x))^4)^3.
A349024
G.f. satisfies: A(x) = 1/(1 - x/(1 - x*A(x))^4)^3.
Terms
- a(0) =1a(1) =3a(2) =18a(3) =124a(4) =951a(5) =7764a(6) =66200a(7) =582594a(8) =5252133a(9) =48254668a(10) =450186720a(11) =4253328540a(12) =40612877001a(13) =391300954065
External references
- oeis: A349024