Expansion of (x-5*x^2+11*x^3-12*x^4+7*x^5-2*x^6+x^7) / (1-6*x+15*x^2-20*x^3+15*x^4-6*x^5+x^6).

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =5a(5) =12a(6) =26a(7) =52a(8) =98a(9) =176a(10) =303a(11) =502a(12) =803a(13) =1244a(14) =1872a(15) =2744a(16) =3928a(17) =5504a(18) =7565a(19) =10218a(20) =13585a(21) =17804a(22) =23030a(23) =29436a(24) =37214a(25) =46576a(26) =57755a(27) =71006a(28) =86607a(29) =104860