Expansion of e.g.f. exp( log(1 - x)^2 / 2 ).

Terms

a(0) =1a(1) =0a(2) =1a(3) =3a(4) =14a(5) =80a(6) =544a(7) =4284a(8) =38310a(9) =383256a(10) =4239006a(11) =51345690a(12) =675770028a(13) =9600349824a(14) =146396925648