E.g.f.: log(-1/(-1+x))^2 / (-1 + log(-1/(-1+x)))^2.
A052865
E.g.f.: log(-1/(-1+x))^2 / (-1 + log(-1/(-1+x)))^2.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =18a(4) =166a(5) =1720a(6) =20168a(7) =265776a(8) =3900048a(9) =63160944a(10) =1119902112a(11) =21588456912a(12) =449695165104
External references
- oeis: A052865