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

Terms

a(0) =1a(1) =-2a(2) =2a(3) =-4a(4) =10a(5) =-20a(6) =36a(7) =-72a(8) =154a(9) =-308a(10) =596a(11) =-1192a(12) =2420a(13) =-4840a(14) =9608a(15) =-19216a(16) =38586a(17) =-77172a(18) =154036a(19) =-308072a(20) =616740a(21) =-1233480a(22) =2465768a(23) =-4931536a(24) =9865492a(25) =-19730984a(26) =39457128a(27) =-78914256a(28) =157838120a(29) =-315676240