Odd numbers n such that 2^d(n) == 2^n (mod n) where d = A000005.

Terms

a(0) =1a(1) =9a(2) =19313a(3) =226703a(4) =345023a(5) =673663a(6) =929783a(7) =1697609a(8) =1790159a(9) =1878073a(10) =2391991a(11) =3441743a(12) =8026103a(13) =9520441a(14) =9770153a(15) =10751841a(16) =30652223a(17) =35482433a(18) =40642103a(19) =41839231a(20) =50358247a(21) =57233047a(22) =65046479a(23) =69601193a(24) =85246441a(25) =110944089a(26) =117368839a(27) =119611073a(28) =122527433