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

Terms

a(0) =1a(1) =4a(2) =7a(3) =13a(4) =23a(5) =33a(6) =48a(7) =69a(8) =90a(9) =118a(10) =154a(11) =190a(12) =235a(13) =290a(14) =345a(15) =411a(16) =489a(17) =567a(18) =658a(19) =763a(20) =868a(21) =988a(22) =1124a(23) =1260a(24) =1413a(25) =1584a(26) =1755a(27) =1945a(28) =2155a(29) =2365