G.f. A(x) satisfies: 1+x = Sum_{n>=0} n^n*x^n*A(-n*x)^n/n! * exp(-n*x*A(-n*x)).

A218801

G.f. A(x) satisfies: 1+x = Sum_{n>=0} n^n*x^n*A(-n*x)^n/n! * exp(-n*x*A(-n*x)).

Terms

    a(0) =1a(1) =1a(2) =5a(3) =60a(4) =1539a(5) =82539a(6) =9208086a(7) =2123763546

External references