Expansion of Product_{k>=1} (1-x^(3*k))/(1-x^(2*k)).

Terms

a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =2a(5) =-1a(6) =2a(7) =-2a(8) =4a(9) =-3a(10) =5a(11) =-5a(12) =8a(13) =-7a(14) =10a(15) =-10a(16) =15a(17) =-14a(18) =19a(19) =-20a(20) =27a(21) =-26a(22) =34a(23) =-36a(24) =47a(25) =-47a(26) =59a(27) =-63a(28) =79a(29) =-81