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

Terms

a(0) =1a(1) =-1a(2) =0a(3) =1a(4) =-2a(5) =4a(6) =-9a(7) =21a(8) =-48a(9) =105a(10) =-218a(11) =429a(12) =-803a(13) =1442a(14) =-2521a(15) =4380a(16) =-7734a(17) =14091a(18) =-26468a(19) =50405a(20) =-94980a(21) =172824a(22) =-296704a(23) =467589a(24) =-644459a(25) =678109a(26) =-177123a(27) =-1752141a(28) =7003180a(29) =-19432494