Expansion of 1/((1-x)(1-x^4)(1-x^7)).

Terms

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