Expansion of (1-4*x+6*x^2-3*x^3)/((1-3*x)*(1-2*x)*(1-3*x+x^2)).

Terms

a(0) =1a(1) =4a(2) =16a(3) =60a(4) =214a(5) =736a(6) =2464a(7) =8082a(8) =26092a(9) =83188a(10) =262582a(11) =822144a(12) =2557120a(13) =7910050a(14) =24357580a(15) =74720436a(16) =228485158a(17) =696795712a(18) =2120116768a(19) =6438264498a(20) =19518937516a(21) =59091592564a(22) =178675498006a(23) =539694923520