Numerators of (2^n - 1 + (-1)^n)/(2*n), n > 0.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =16a(6) =9a(7) =16a(8) =85a(9) =256a(10) =93a(11) =512a(12) =315a(13) =4096a(14) =5461a(15) =2048a(16) =3855a(17) =65536a(18) =13797a(19) =131072a(20) =349525a(21) =1048576a(22) =182361a(23) =1048576a(24) =3355443a(25) =16777216a(26) =22369621a(27) =33554432a(28) =9256395a(29) =268435456