Expansion of 1/((1-2x)(1-3x)(1-8x)).

Terms

a(0) =1a(1) =13a(2) =123a(3) =1049a(4) =8603a(5) =69489a(6) =557971a(7) =4470073a(8) =35779755a(9) =286296065a(10) =2290543619a(11) =18324876297a(12) =146600596507