a(n) = mu(n) * 2^(n-1).

Terms

a(0) =1a(1) =-2a(2) =-4a(3) =0a(4) =-16a(5) =32a(6) =-64a(7) =0a(8) =0a(9) =512a(10) =-1024a(11) =0a(12) =-4096a(13) =8192a(14) =16384a(15) =0a(16) =-65536a(17) =0a(18) =-262144a(19) =0a(20) =1048576a(21) =2097152a(22) =-4194304a(23) =0a(24) =0a(25) =33554432a(26) =0a(27) =0a(28) =-268435456a(29) =-536870912