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

Terms

a(0) =1a(1) =0a(2) =5a(3) =-4a(4) =81a(5) =-176a(6) =2605a(7) =-8100a(8) =137249a(9) =-424576a(10) =10376181a(11) =-21429860a(12) =1069514545a(13) =279470736a(14) =149969551901a(15) =616166705084