G.f. satisfies: A(x) = Sum_{n>=0} (A(x)^n - 1)^n * x^n / (1-2*x)^(n+1).
A251181
G.f. satisfies: A(x) = Sum_{n>=0} (A(x)^n - 1)^n * x^n / (1-2*x)^(n+1).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =22a(4) =102a(5) =582a(6) =3838a(7) =28006a(8) =220182a(9) =1835942a(10) =16090254a(11) =147392806a(12) =1406155462a(13) =13938397190a(14) =143329786526
External references
- oeis: A251181