Expansion of 3*x*(1-x)*(1+2*x+6*x^2)/(1-24*x^3).

Terms

a(0) =3a(1) =3a(2) =12a(3) =54a(4) =72a(5) =288a(6) =1296a(7) =1728a(8) =6912a(9) =31104a(10) =41472a(11) =165888a(12) =746496a(13) =995328a(14) =3981312a(15) =17915904a(16) =23887872a(17) =95551488a(18) =429981696a(19) =573308928a(20) =2293235712a(21) =10319560704a(22) =13759414272a(23) =55037657088a(24) =247669456896a(25) =330225942528