G.f. A(x) satisfies A(x) = (1 + x*A(x*A(x)))^3.
A381570
G.f. A(x) satisfies A(x) = (1 + x*A(x*A(x)))^3.
Terms
- a(0) =1a(1) =3a(2) =12a(3) =82a(4) =732a(5) =7944a(6) =99156a(7) =1381464a(8) =21065853a(9) =346932822a(10) =6112226961a(11) =114383442888
External references
- oeis: A381570