Carmichael numbers of the form ( 6 m + 1 ) ( 12 m + 1 ) ( 18 m + 1 ) . Dubner, Harvey — 2002 Journal of Integer Sequences [electronic only]
Primes of the form ( b n + 1 ) / ( b + 1 ) . Dubner, Harvey; Granlund, Torbjörn — 2000 Journal of Integer Sequences [electronic only]
Prime Pythagorean triangles. Dubner, Harvey; Forbes, Tony — 2001 Journal of Integer Sequences [electronic only]