Expansion of 60*x*(1 + 4*x + x^2) / (1 - x)^5.

Terms

a(0) =60a(1) =540a(2) =2160a(3) =6000a(4) =13500a(5) =26460a(6) =47040a(7) =77760a(8) =121500a(9) =181500a(10) =261360a(11) =365040a(12) =496860a(13) =661500a(14) =864000a(15) =1109760a(16) =1404540a(17) =1754460a(18) =2166000a(19) =2646000a(20) =3201660a(21) =3840540a(22) =4570560a(23) =5400000a(24) =6337500a(25) =7392060a(26) =8573040a(27) =9890160a(28) =11353500a(29) =12973500