Expansion of x^2*(1-x)*(x^2+x+1)*(x^6+x^3+1)/((2*x-1)*(2*x^9-x^6+x^3-1)).

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =4a(5) =9a(6) =18a(7) =36a(8) =72a(9) =144a(10) =288a(11) =576a(12) =1152a(13) =2304a(14) =4610a(15) =9220a(16) =18440a(17) =36882a(18) =73764a(19) =147528a(20) =295056a(21) =590112a(22) =1180224a(23) =2360450a(24) =4720900a(25) =9441800a(26) =18883606a(27) =37767212a(28) =75534424a(29) =151068852