OFFSET
1,1
COMMENTS
a(5) > 10^5 - Robert Price, Dec 24 2012
PROG
(PARI) forprime(n=1, 9999, ispseudoprime(43^n-42^n) && print1(n", ")) \\ - M. F. Hasler, Sep 21 2013
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Mike Oakes, May 18 2001, May 19 2001
EXTENSIONS
Edited by M. F. Hasler, Sep 21 2013
STATUS
approved