A020255 Strong pseudoprimes to base 29.
15, 91, 341, 469, 871, 2257, 4371, 4411, 5149, 6097, 8401, 11581, 12431, 15577, 16471, 19093, 25681, 28009, 29539, 31417, 33001, 48133, 49141, 54913, 79003, 111361, 131773, 136741, 157651, 164737, 170431, 180571, 188191, 191351, 217801, 218791
Offset: 1