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

Terms

a(0) =0a(1) =1a(2) =5a(3) =20a(4) =78a(5) =324a(6) =1520a(7) =8336a(8) =53872a(9) =405600a(10) =3492416a(11) =33798016a(12) =362543104a(13) =4264455168a(14) =54540715008a(15) =753246711808