Expansion of 30*x*(1 + x) / (1 - x)^4.

Terms

a(0) =30a(1) =150a(2) =420a(3) =900a(4) =1650a(5) =2730a(6) =4200a(7) =6120a(8) =8550a(9) =11550a(10) =15180a(11) =19500a(12) =24570a(13) =30450a(14) =37200a(15) =44880a(16) =53550a(17) =63270a(18) =74100a(19) =86100a(20) =99330a(21) =113850a(22) =129720a(23) =147000a(24) =165750a(25) =186030a(26) =207900a(27) =231420a(28) =256650a(29) =283650