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A062580
Numbers k such that 14^k - 13^k is prime.
0
3, 11, 83, 461, 659, 1129, 3797, 83869
OFFSET
1,1
COMMENTS
Terms greater than 1000 may correspond to (unproven) strong pseudoprimes.
PROG
(PARI) is(n)=ispseudoprime(14^n-13^n) \\ Charles R Greathouse IV, Jun 13 2017
KEYWORD
nonn,hard,more
AUTHOR
Mike Oakes, May 18 2001, May 19 2001
EXTENSIONS
83869 found from Jean-Louis Charton, Sep 02 2009
Edited by M. F. Hasler, Sep 16 2013
STATUS
approved