Expansion of 1/((1-x)*(1-6*x)*(1-9*x)).

Terms

a(0) =1a(1) =16a(2) =187a(3) =1942a(4) =19033a(5) =180628a(6) =1681639a(7) =15470674a(8) =141251605a(9) =1283357680a(10) =11622778531a(11) =105040363246a(12) =947975408017