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

Terms

a(0) =1a(1) =2a(2) =6a(3) =18a(4) =55a(5) =169a(6) =520a(7) =1601a(8) =4930a(9) =15182a(10) =46754a(11) =143983a(12) =443409a(13) =1365520a(14) =4205249a(15) =12950466a(16) =39882198a(17) =122821042a(18) =378239143a(19) =1164823609a(20) =3587185688a(21) =11047081345a(22) =34020543362a(23) =104769516446a(24) =322647744322a(25) =993624581343