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

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =7a(6) =10a(7) =17a(8) =22a(9) =37a(10) =58a(11) =83a(12) =134a(13) =199a(14) =298a(15) =465a(16) =694a(17) =1061a(18) =1626a(19) =2451a(20) =3750a(21) =5703a(22) =8650a(23) =13201a(24) =20054a(25) =30501a(26) =46458a(27) =70611a(28) =107462a(29) =163527