Expansion of log( dC(x)/dx ), C(x) = e.g.f. for labeled connected graphs (A001187).

A056066

Expansion of log( dC(x)/dx ), C(x) = e.g.f. for labeled connected graphs (A001187).

Terms

    a(0) =0a(1) =1a(2) =3a(3) =28a(4) =570a(5) =22568a(6) =1682352a(7) =237014512a(8) =64144890960

External references