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

Terms

a(0) =0a(1) =1a(2) =7a(3) =51a(4) =371a(5) =2699a(6) =19635a(7) =142843a(8) =1039171a(9) =7559883a(10) =54997523a(11) =400102427a(12) =2910712035a(13) =21175189099a(14) =154047747763