Expansion of Product_{k>0} 1/(1 + x^k)^(k*4).

Terms

a(0) =1a(1) =-4a(2) =2a(3) =0a(4) =23a(5) =-20a(6) =2a(7) =-88a(8) =63a(9) =-96a(10) =318a(11) =-104a(12) =626a(13) =-844a(14) =504a(15) =-2472a(16) =1525a(17) =-3704a(18) =6184a(19) =-4288a(20) =15284a(21) =-10736a(22) =23254a(23) =-35792a(24) =30228a(25) =-84544a(26) =60974a(27) =-139240a(28) =176658a(29) =-190108