G.f. satisfies: A(x) = Series_Reversion( x - 3*A(x)*B(x)^2 ), where B'(x) = 2*A(x).
A259268
G.f. satisfies: A(x) = Series_Reversion( x - 3*A(x)*B(x)^2 ), where B'(x) = 2*A(x).
Terms
- a(0) =1a(1) =3a(2) =60a(3) =1848a(4) =70722a(5) =3112692a(6) =151785933a(7) =8028464085a(8) =454496257269
External references
- oeis: A259268