Expansion of 140*x*(1 + 4*x + x^2) / (1 - x)^5.

Terms

a(0) =140a(1) =1260a(2) =5040a(3) =14000a(4) =31500a(5) =61740a(6) =109760a(7) =181440a(8) =283500a(9) =423500a(10) =609840a(11) =851760a(12) =1159340a(13) =1543500a(14) =2016000a(15) =2589440a(16) =3277260a(17) =4093740a(18) =5054000a(19) =6174000a(20) =7470540a(21) =8961260a(22) =10664640a(23) =12600000a(24) =14787500a(25) =17248140a(26) =20003760a(27) =23077040a(28) =26491500a(29) =30271500