G.f. A(x) satisfies A( x*(1 - x*A(x)) )^2 = A(x) / (1 - x*A(x)).
A383553
G.f. A(x) satisfies A( x*(1 - x*A(x)) )^2 = A(x) / (1 - x*A(x)).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =25a(4) =203a(5) =1986a(6) =22492a(7) =287779a(8) =4092708a(9) =63950627a(10) =1088344063a(11) =20034723586a(12) =396685773847
External references
- oeis: A383553