Expansion of 1/((1-x)*(1-x^2)*(1-x^7)*(1-x^12)).

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =3a(6) =4a(7) =5a(8) =6a(9) =7a(10) =8a(11) =9a(12) =11a(13) =12a(14) =15a(15) =16a(16) =19a(17) =20a(18) =23a(19) =25a(20) =28a(21) =31a(22) =34a(23) =37a(24) =41a(25) =44a(26) =49a(27) =52a(28) =58a(29) =61