Expansion of Product_{k>0} (1 - 2*k*x^(2*k))/(1 + (2*k-1)*x^(2*k-1)).

Terms

a(0) =1a(1) =-1a(2) =-1a(3) =-2a(4) =-2a(5) =3a(6) =8a(7) =7a(8) =-6a(9) =-2a(10) =12a(11) =10a(12) =-9a(13) =-10a(14) =-98a(15) =-171a(16) =12a(17) =224a(18) =178a(19) =300a(20) =30a(21) =-992a(22) =-547a(23) =1612a(24) =1950a(25) =-290a(26) =-2859a(27) =-4532a(28) =-878a(29) =13260