Expansion of 1/((1-x)*(1-x^6)*(1-x^9)*(1-x^11)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =2a(8) =2a(9) =3a(10) =3a(11) =4a(12) =5a(13) =5a(14) =5a(15) =6a(16) =6a(17) =7a(18) =9a(19) =9a(20) =10a(21) =11a(22) =12a(23) =13a(24) =15a(25) =15a(26) =16a(27) =18a(28) =19a(29) =21