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

Terms

a(0) =5a(1) =5a(2) =25a(3) =65a(4) =225a(5) =705a(6) =2305a(7) =7425a(8) =24065a(9) =77825a(10) =251905a(11) =815105a(12) =2637825a(13) =8536065a(14) =27623425a(15) =89391105a(16) =289275905a(17) =936116225a(18) =3029336065a(19) =9803137025a(20) =31723618305a(21) =102659784705a(22) =332214042625