Reversion of o.g.f. for Bell numbers (A000110) omitting a(0)=1.

Terms

a(0) =1a(1) =-2a(2) =3a(3) =-5a(4) =7a(5) =-14a(6) =11a(7) =-66a(8) =-127a(9) =-992a(10) =-5029a(11) =-30899a(12) =-193321a(13) =-1285300a(14) =-8942561a(15) =-65113125a(16) =-494605857a(17) =-3911658640a(18) =-32145949441a(19) =-274036507173