A138536 Odd primes p_n for which A140140(n)=(p_n-1)/2, where p_n = n-th odd prime (A065091).

3, 5, 7, 11, 19, 23, 29, 37, 43, 47, 53, 59, 67, 71, 79, 83, 97, 101, 103, 107, 127, 137, 139, 149, 157, 167, 173, 179, 181, 191, 197, 223, 227, 239, 251, 257, 263, 269, 271, 277, 283, 293, 311, 317, 331, 347, 349, 353, 359, 367, 373, 383, 389, 409, 419, 431