Expansion of g.f. 1/((1-x)*(1-x^4)*(1-x^9)*(1-x^11)).

Terms

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