G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x)^n * A(x)^(3*n) * A(x*A(x)^n).
A352855
G.f. A(x) satisfies: 1 = Sum_{n>=0} (-x)^n * A(x)^(3*n) * A(x*A(x)^n).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =69a(5) =418a(6) =2785a(7) =19965a(8) =151839a(9) =1213329a(10) =10117007a(11) =87572771a(12) =783819258a(13) =7231777871a(14) =68607958358a(15) =667912243459
External references
- oeis: A352855