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

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =2a(5) =1a(6) =1a(7) =4a(8) =9a(9) =12a(10) =11a(11) =11a(12) =21a(13) =43a(14) =66a(15) =78a(16) =88a(17) =129a(18) =226a(19) =360a(20) =485a(21) =605a(22) =826a(23) =1287a(24) =2012a(25) =2881a(26) =3851a(27) =5239a(28) =7669a(29) =11592