Expansion of (1+4x+x^2-10x^3)/((1-x)(1-x-2x^2)).

Terms

a(0) =1a(1) =6a(2) =14a(3) =22a(4) =46a(5) =86a(6) =174a(7) =342a(8) =686a(9) =1366a(10) =2734a(11) =5462a(12) =10926a(13) =21846a(14) =43694a(15) =87382a(16) =174766a(17) =349526a(18) =699054a(19) =1398102a(20) =2796206a(21) =5592406a(22) =11184814a(23) =22369622a(24) =44739246a(25) =89478486a(26) =178956974a(27) =357913942a(28) =715827886a(29) =1431655766