Expansion of (1+x^15)/((1-x)*(1-x^2)*(1-x^3)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =7a(7) =8a(8) =10a(9) =12a(10) =14a(11) =16a(12) =19a(13) =21a(14) =24a(15) =28a(16) =31a(17) =35a(18) =40a(19) =44a(20) =49a(21) =55a(22) =60a(23) =66a(24) =73a(25) =79a(26) =86a(27) =94a(28) =101a(29) =109