E.g.f. satisfies A(x) = exp(x + x^2/2 * A(x)).
A143740
E.g.f. satisfies A(x) = exp(x + x^2/2 * A(x)).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =34a(5) =216a(6) =1696a(7) =15898a(8) =173468a(9) =2161036a(10) =30282076a(11) =471599316a(12) =8082816160a(13) =151218316120
External references
- oeis: A143740