Expansion of (1+6*x+x^2)/(1-x)^8.

Terms

a(0) =1a(1) =14a(2) =85a(3) =344a(4) =1086a(5) =2892a(6) =6798a(7) =14520a(8) =28743a(9) =53482a(10) =94523a(11) =159952a(12) =260780a(13) =411672a(14) =631788a(15) =945744a(16) =1384701a(17) =1987590a(18) =2802481a(19) =3888104a(20) =5315530a(21) =7170020a(22) =9553050a(23) =12584520a(24) =16405155a(25) =21179106a(26) =27096759