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Numbers n such that 44^n - 43^n is prime or PRP.
2

%I #17 Jun 06 2017 14:30:31

%S 37,283,62903

%N Numbers n such that 44^n - 43^n is prime or PRP.

%C No other term <= 68141.

%C a(4) > 10^5. - _Robert Price_, Sep 04 2012

%H <a href="http://www.primenumbers.net/prptop/searchform.php?form=44^n-43^n">PRP Top Records - Search by form: 44^n-43^n</a>

%o (PARI) is(n)=ispseudoprime(44^n-43^n) \\ _Charles R Greathouse IV_, Jun 06 2017

%Y Cf. A000043, A057468, A059801-A059803, A062572-A062609, A062611-A062666.

%K nonn,bref,more,hard

%O 1,1

%A _Jean-Louis Charton_, Aug 18 2012

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