Expansion of (x^6-x^5-x^4+2x^2)/((1-x^3)(1-x^2)^2(1-x)).

Terms

a(0) =2a(1) =2a(2) =5a(3) =6a(4) =11a(5) =12a(6) =20a(7) =22a(8) =32a(9) =36a(10) =49a(11) =54a(12) =71a(13) =78a(14) =98a(15) =108a(16) =132a(17) =144a(18) =173a(19) =188a(20) =221a(21) =240a(22) =278a(23) =300a(24) =344a(25) =370a(26) =419a(27) =450a(28) =505a(29) =540