A058991 Smallest number not a power of two whose reversal of its n-th power is a prime.

3, 14, 5, 14, 41, 49, 29, 23, 131, 53, 17, 7, 25, 28, 47, 53, 134, 25, 79, 95, 47, 46, 28, 7, 19, 5, 85, 86, 541, 47, 104, 314, 25, 115, 113, 5, 46, 25, 67, 71, 142, 226, 5, 53, 95, 304, 14, 106, 85, 202