Expansion of 1/((1-2*x)*(1-6*x)).

Terms

a(0) =1a(1) =8a(2) =52a(3) =320a(4) =1936a(5) =11648a(6) =69952a(7) =419840a(8) =2519296a(9) =15116288a(10) =90698752a(11) =544194560a(12) =3265171456a(13) =19591036928a(14) =117546237952a(15) =705277460480