Expansion of Product_{k>=1} (1 - x^k/(1 - x)).

Terms

a(0) =1a(1) =-1a(2) =-2a(3) =-2a(4) =-1a(5) =2a(6) =6a(7) =11a(8) =15a(9) =16a(10) =11a(11) =-2a(12) =-26a(13) =-61a(14) =-105a(15) =-152a(16) =-192a(17) =-209a(18) =-183a(19) =-89a(20) =98a(21) =400a(22) =830a(23) =1385a(24) =2035a(25) =2715a(26) =3314a(27) =3668a(28) =3556a(29) =2703