E.g.f.: A(x) = exp( x/A(-x*A(x)) ).

Terms

a(0) =1a(1) =1a(2) =3a(3) =10a(4) =41a(5) =76a(6) =-2183a(7) =-54998a(8) =-1045567a(9) =-15948296a(10) =-157645999a(11) =2035442014a(12) =217585291057