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

Terms

a(0) =1a(1) =0a(2) =2a(3) =0a(4) =3a(5) =5a(6) =4a(7) =10a(8) =13a(9) =15a(10) =37a(11) =31a(12) =61a(13) =87a(14) =99a(15) =178a(16) =228a(17) =286a(18) =477a(19) =552a(20) =816a(21) =1163a(22) =1418a(23) =2077a(24) =2790a(25) =3507a(26) =5113a(27) =6478a(28) =8563a(29) =11888