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

Terms

a(0) =0a(1) =1a(2) =-3a(3) =8a(4) =-18a(5) =44a(6) =-80a(7) =272a(8) =112a(9) =5280a(10) =38464a(11) =414336a(12) =4573184a(13) =55680000a(14) =731374592a(15) =10335551488a(16) =156303374336