Expansion of 1/((1-x)(1-x^9)(1-x^10)(1-x^11)).

Terms

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