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

Terms

a(0) =0a(1) =0a(2) =-3a(3) =4a(4) =0a(5) =-3a(6) =7a(7) =-4a(8) =-3a(9) =10a(10) =-11a(11) =1a(12) =13a(13) =-21a(14) =12a(15) =12a(16) =-34a(17) =33a(18) =0a(19) =-46a(20) =67a(21) =-33a(22) =-46a(23) =113a(24) =-100a(25) =-13a(26) =159a(27) =-213a(28) =87a(29) =172