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

Terms

a(0) =0a(1) =2a(2) =8a(3) =20a(4) =52a(5) =128a(6) =320a(7) =792a(8) =1968a(9) =4880a(10) =12112a(11) =30048a(12) =74560a(13) =184992a(14) =459008a(15) =1138880a(16) =2825792a(17) =7011328a(18) =17396480a(19) =43164032a(20) =107098368a(21) =265731840a(22) =659332352a(23) =1635931648a(24) =4059064320a(25) =10071327232a(26) =24988919808a(27) =62002365440a(28) =153839916032a(29) =381706723328