Expansion of Sum_{n>=0} (q^n / Product_{k=1..n+4} (1 - q^k)).

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =12a(5) =18a(6) =28a(7) =40a(8) =58a(9) =80a(10) =111a(11) =149a(12) =201a(13) =264a(14) =348a(15) =450a(16) =583a(17) =744a(18) =950a(19) =1199a(20) =1514a(21) =1893a(22) =2366a(23) =2935a(24) =3638a(25) =4480a(26) =5513a(27) =6746a(28) =8247a(29) =10035