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

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =3a(6) =7a(7) =12a(8) =28a(9) =51a(10) =117a(11) =221a(12) =498a(13) =964a(14) =2138a(15) =4212a(16) =9219a(17) =18401a(18) =39850a(19) =80333a(20) =172520a(21) =350437a(22) =747658a(23) =1527648a(24) =3242589a(25) =6655572a(26) =14070946a(27) =28983184a(28) =61085625a(29) =126167668