Expansion of x/(1 - 7*x - 12*x^2).

Terms

a(0) =0a(1) =1a(2) =7a(3) =61a(4) =511a(5) =4309a(6) =36295a(7) =305773a(8) =2575951a(9) =21700933a(10) =182817943a(11) =1540136797a(12) =12974772895a(13) =109305051829a(14) =920832637543