Expansion of (-1+x+2*x^2-6*x^3+x^4+x^5) / ((x-1)*(x^2-x+1)*(x^2-2*x-1)*(x+1)^2).

Terms

a(0) =-1a(1) =3a(2) =-6a(3) =11a(4) =-27a(5) =60a(6) =-141a(7) =337a(8) =-808a(9) =1943a(10) =-4687a(11) =11306a(12) =-27287a(13) =65869a(14) =-159012a(15) =383877a(16) =-926753a(17) =2237366a(18) =-5401467a(19) =13040283a(20) =-31482014a(21) =76004289a(22) =-183490573a(23) =442985412a(24) =-1069461373a(25) =2581908135a(26) =-6233277618a(27) =15048463343a(28) =-36330204279a(29) =87708871872