A214655 - OEIS

%I #10 Oct 17 2015 07:48:38

%S 3,5,29,54799

%N Numbers n such that 25^n - 24^n is prime or a strong pseudoprime.

%C All terms are prime.

%C No other terms less than 10^5. - _Robert Price_, Jul 24 2012

%t Select[Range[10^5], PrimeQ[25^#-24^# ]&]

%Y Cf. A000043, A057468, A059801, A059802, A059803, A062572-A062589, A214658, A062592-A062666.

%K nonn,hard,bref,more

%O 1,1

%A _Robert Price_, Jul 24 2012

%E Edited by _M. F. Hasler_, Sep 21 2013