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

Terms

a(0) =1a(1) =3a(2) =9a(3) =21a(4) =45a(5) =87a(6) =159a(7) =273a(8) =450a(9) =712a(10) =1092a(11) =1626a(12) =2364a(13) =3360a(14) =4686a(15) =6420a(16) =8661a(17) =11517a(18) =15121a(19) =19617a(20) =25179a(21) =31995a(22) =40287a(23) =50295a(24) =62298a(25) =76596a(26) =93534a(27) =113482a(28) =136860a(29) =164118