A383923 Numbers of the form m^p where both p and (m^(p^2) - 1)/(m^p - 1) are prime.

4, 8, 16, 27, 36, 100, 196, 256, 400, 512, 576, 676, 1296, 1331, 1600, 2916, 3136, 4356, 5476, 7056, 8000, 8100, 8836, 9261, 12100, 13456, 14400, 15376, 15876, 16900, 17576, 17956, 21316, 22500, 24336, 25600, 27000, 28900, 30976, 32400, 33856, 41616, 42436, 44100, 50176, 52900

Offset: 1

Author

Max Alekseyev, May 15 2025

Keywords

• nonn

Crossrefs

Primes (m^(p^2) - 1)/(m^p - 1) are listed in A383924.

Permutation of A383926.

Cf. A383925.