Expansion of 1/((1+4*x)*(1-12*x)).

Terms

a(0) =1a(1) =8a(2) =112a(3) =1280a(4) =15616a(5) =186368a(6) =2240512a(7) =26869760a(8) =322502656a(9) =3869769728a(10) =46438285312a(11) =557255229440