Expansion of 1/((1-3x)*(1-7x)*(1-8x)).

Terms

a(0) =1a(1) =18a(2) =223a(3) =2364a(4) =23053a(5) =213654a(6) =1914571a(7) =16756128a(8) =144132505a(9) =1223664090a(10) =10283600119a(11) =85728989892a(12) =710053773157