Expansion of Product_{i>=2, j>=2} 1 / (1 - x^(i*j))^j.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =2a(5) =0a(6) =5a(7) =0a(8) =9a(9) =3a(10) =17a(11) =0a(12) =46a(13) =6a(14) =68a(15) =23a(16) =153a(17) =27a(18) =297a(19) =67a(20) =534a(21) =188a(22) =978a(23) =276a(24) =1932a(25) =620a(26) =3250a(27) =1313a(28) =6033a(29) =2246