A225492 Least numbers k for each base b >= 2 such that N = b^(2^n) + k is prime for 6 consecutive values from n = 0 to n = 5.
15, 440, 93, 1518, 1081, 8712, 52305, 32300, 5383, 8058, 7165, 196168, 405, 11456, 81, 66432, 102745, 88848, 1071, 15206, 8607, 12228, 270185, 57668, 56895, 42322, 339835, 120510, 3089
Offset: 2