E.g.f. satisfies: A(x) = exp( x*Catalan(x*A(x)) ), where Catalan(x) = (1-sqrt(1-4*x))/(2*x) is the g.f. of A000108.
A161629
E.g.f. satisfies: A(x) = exp( x*Catalan(x*A(x)) ), where Catalan(x) = (1-sqrt(1-4*x))/(2*x) is the g.f. of A000108.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =25a(4) =349a(5) =6821a(6) =171421a(7) =5265625a(8) =191160201a(9) =8007548617a(10) =380157603481
External references
- oeis: A161629