Expansion of 1/((1-x)(1-x^4)(1-x^7)(1-x^9)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =2a(7) =3a(8) =4a(9) =5a(10) =5a(11) =6a(12) =7a(13) =8a(14) =9a(15) =10a(16) =12a(17) =13a(18) =15a(19) =16a(20) =18a(21) =20a(22) =22a(23) =24a(24) =26a(25) =29a(26) =31a(27) =34a(28) =37a(29) =40