Expansion of 1/((1-x)(1-x^3)(1-x^7)(1-x^12)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =2a(6) =3a(7) =4a(8) =4a(9) =5a(10) =6a(11) =6a(12) =8a(13) =9a(14) =10a(15) =12a(16) =13a(17) =14a(18) =16a(19) =18a(20) =19a(21) =22a(22) =24a(23) =25a(24) =29a(25) =31a(26) =33a(27) =37a(28) =40a(29) =42