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

Terms

a(0) =1a(1) =0a(2) =4a(3) =6a(4) =40a(5) =180a(6) =948a(7) =5880a(8) =42208a(9) =344736a(10) =3158640a(11) =32091840a(12) =358107264a(13) =4353972480a(14) =57290002560a(15) =811116633600