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

Terms

a(0) =1a(1) =0a(2) =0a(3) =3a(4) =6a(5) =20a(6) =270a(7) =1764a(8) =12600a(9) =146880a(10) =1597680a(11) =17934840a(12) =243777600a(13) =3506518080a(14) =52696595952a(15) =870564618000