OFFSET
1,1
COMMENTS
EXAMPLE
PROG
(PARI) for(i=3, 999, for(j=2, i-1, isprime(i^j+j^i)|next; print1(i^j+j^i", "); break))
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Jul 04 2009
STATUS
approved