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

Terms

a(0) =1a(1) =-2a(2) =-2a(3) =-4a(4) =6a(5) =4a(6) =12a(7) =56a(8) =134a(9) =-108a(10) =196a(11) =328a(12) =-484a(13) =-88a(14) =-3752a(15) =-18576a(16) =16838a(17) =-16460a(18) =-95340a(19) =-24408a(20) =-201036a(21) =-472584a(22) =565544a(23) =1424144a(24) =1843356a(25) =-6632568a(26) =10365224a(27) =2317008a(28) =49620088a(29) =130484688