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

Terms

a(0) =0a(1) =0a(2) =0a(3) =3a(4) =6a(5) =10a(6) =105a(7) =651a(8) =2968a(9) =26496a(10) =265905a(11) =2203795a(12) =22830456a(13) =288661308a(14) =3476579197a(15) =44960585775a(16) =671394654960