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

Terms

a(0) =1a(1) =-2a(2) =0a(3) =-2a(4) =6a(5) =-6a(6) =4a(7) =-6a(8) =48a(9) =-118a(10) =96a(11) =-78a(12) =470a(13) =-810a(14) =396a(15) =-3050a(16) =11062a(17) =-12678a(18) =7072a(19) =-21454a(20) =80034a(21) =-201490a(22) =218940a(23) =-200658a(24) =1536724a(25) =-3268842a(26) =2079312a(27) =-7013266a(28) =23140282a(29) =-28227510