A360114 - OEIS

A360114

Numbers k such that m^(1 + 2^v(k-1)) == -m (mod k) has only one solution (with 0 <= m < k), where v(k) = A007814(k) is the 2-adic valuation of k.

3, 5, 7, 9, 11, 13, 17, 19, 21, 23, 25, 27, 29, 31, 33, 37, 41, 43, 45, 47, 49, 53, 57, 59, 61, 63, 65, 67, 69, 71, 73, 77, 79, 81, 83, 89, 93, 97, 99, 101, 103, 105, 107, 109, 113, 117, 121, 125, 127, 129, 131, 133, 137, 139, 141, 145, 147, 149, 151, 157, 161, 163, 165, 167, 169, 171, 173, 177, 179