G.f. satisfies: A(x) = Sum_{n>=0} n!*x^n*A(x)^(2*n).
A198916
G.f. satisfies: A(x) = Sum_{n>=0} n!*x^n*A(x)^(2*n).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =23a(4) =158a(5) =1212a(6) =10058a(7) =88811a(8) =826982a(9) =8085950a(10) =82922624a(11) =893003234a(12) =10129641140a(13) =121552747370
External references
- oeis: A198916