Expansion of Product_{k>=1} (1-x^k)^44.

Terms

a(0) =1a(1) =-44a(2) =902a(3) =-11352a(4) =96965a(5) =-582692a(6) =2428382a(7) =-6245448a(8) =3684670a(9) =43828180a(10) =-195750104a(11) =340202584a(12) =211248851a(13) =-2418539816a(14) =4734800950a(15) =-43313600a(16) =-16560186918a(17) =26632794760a(18) =4021681554a(19) =-50231748600a(20) =12519655368