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

Terms

a(0) =1a(1) =4a(2) =11a(3) =29a(4) =72a(5) =175a(6) =425a(7) =1028a(8) =2483a(9) =5997a(10) =14480a(11) =34959a(12) =84401a(13) =203764a(14) =491931a(15) =1187629a(16) =2867192a(17) =6922015a(18) =16711225a(19) =40344468a(20) =97400163a(21) =235144797a(22) =567689760a(23) =1370524319a(24) =3308738401a(25) =7988001124a(26) =19284740651a(27) =46557482429a(28) =112399705512