Expansion of (1-4*x)/(1-6*x-12*x^2+8*x^3).

Terms

a(0) =1a(1) =2a(2) =24a(3) =160a(4) =1232a(5) =9120a(6) =68224a(7) =508928a(8) =3799296a(9) =28357120a(10) =211662848a(11) =1579868160a(12) =11792306176a(13) =88018952192a(14) =656982441984