Expansion of x/(1 - 5*x - 4*x^2).

Terms

a(0) =0a(1) =1a(2) =5a(3) =29a(4) =165a(5) =941a(6) =5365a(7) =30589a(8) =174405a(9) =994381a(10) =5669525a(11) =32325149a(12) =184303845a(13) =1050819821a(14) =5991314485a(15) =34159851709a(16) =194764516485