Expansion of 2*x*(1+4*x+8*x^2)/(1-24*x^3).

Terms

a(0) =2a(1) =8a(2) =16a(3) =48a(4) =192a(5) =384a(6) =1152a(7) =4608a(8) =9216a(9) =27648a(10) =110592a(11) =221184a(12) =663552a(13) =2654208a(14) =5308416a(15) =15925248a(16) =63700992a(17) =127401984a(18) =382205952a(19) =1528823808a(20) =3057647616a(21) =9172942848a(22) =36691771392a(23) =73383542784a(24) =220150628352a(25) =880602513408