G.f. satisfies: A(x) = 1+x + x*Sum_{n=-oo..+oo} x^n*A(x)^n * (A(x)^n - x^n)^n.
A262006
G.f. satisfies: A(x) = 1+x + x*Sum_{n=-oo..+oo} x^n*A(x)^n * (A(x)^n - x^n)^n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =11a(5) =54a(6) =224a(7) =1221a(8) =6506a(9) =37982a(10) =227853a(11) =1436155a(12) =9370157a(13) =63478402a(14) =444856819a(15) =3224349732a(16) =24142103099a(17) =186635429502
External references
- oeis: A262006