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

Terms

a(0) =0a(1) =1a(2) =5a(3) =10a(4) =26a(5) =40a(6) =80a(7) =110a(8) =190a(9) =245a(10) =385a(11) =476a(12) =700a(13) =840a(14) =1176a(15) =1380a(16) =1860a(17) =2145a(18) =2805a(19) =3190a(20) =4070a(21) =4576a(22) =5720a(23) =6370a(24) =7826a(25) =8645a(26) =10465a(27) =11480a(28) =13720a(29) =14960