OFFSET
1,2
COMMENTS
a(755) > 10^11. - Hiroaki Yamanouchi, Sep 26 2015
LINKS
Hiroaki Yamanouchi, Table of n, a(n) for n = 1..754
PROG
(PARI) isok(k, j=4) = (j^k+k^j) % (k+j) == 0; \\ Michel Marcus, Oct 10 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Feb 22 2006
EXTENSIONS
a(11)-a(28) from Michel Marcus, Oct 10 2013
a(29)-a(40) from Hiroaki Yamanouchi, Sep 26 2015
STATUS
approved