Expansion of Sum_{n>=0} (q^n / Product_{k=1..n+5} (1 - q^k)).

Terms

a(0) =1a(1) =2a(2) =4a(3) =7a(4) =12a(5) =19a(6) =29a(7) =43a(8) =62a(9) =88a(10) =122a(11) =167a(12) =225a(13) =301a(14) =396a(15) =519a(16) =672a(17) =866a(18) =1105a(19) =1406a(20) =1773a(21) =2230a(22) =2785a(23) =3469a(24) =4295a(25) =5307a(26) =6521a(27) =7998a(28) =9765a(29) =11899