G.f. A(x) satisfies A(x) = 1/( 1 - 9*x*A(x)*(1 + x*A(x)) )^(1/3).
A372091
G.f. A(x) satisfies A(x) = 1/( 1 - 9*x*A(x)*(1 + x*A(x)) )^(1/3).
Terms
- a(0) =1a(1) =3a(2) =30a(3) =378a(4) =5382a(5) =82377a(6) =1323153a(7) =21998493a(8) =375346062a(9) =6534966438a(10) =115634273139
External references
- oeis: A372091