A162893 Integers n such that the century defined by the interval [100n+1,100n+100] (i.e., the (n+1)-st century) contains exactly three Ormiston prime pairs and no other primes.

1057749, 2527374, 3850824, 4925140, 8318772, 8389776, 12195316, 15864637, 15876420, 16892233, 18032409, 19674784, 23413356, 23468604, 25331430, 27601386, 29421304, 30105598, 32702874, 39389043, 40515487, 43949157, 45468864

Offset: 1

Author

Ray Chandler and Ki Punches, Jul 16 2009

Keywords

• base
• nonn

Comments

Ormiston pairs must be of the form (100n+13,100n+31), (100n+37,100n+73), (100n+79,100n+97).

There cannot be more than three Ormiston prime pairs in a century.

Crossrefs

Proper subsequence of A162892.