OFFSET
1,1
COMMENTS
Further terms are 3049, 7451, 7487, 18869.
LINKS
D. Broadhurst, Re: Cubic factors of n^n+(n+1)^(n+1), in "primenumbers" Yahoo group, Oct 21 2011.
David Broadhurst, Cubic factors of n^n+(n+1)^(n+1), digest of 3 messages in primenumbers Yahoo group, Oct 21 - Oct 22, 2011.
PROG
(PARI) q=2+quadgen(12); for(n=1, 1e9, ispseudoprime(real(q^n)\2) & print1(n", "))
CROSSREFS
KEYWORD
nonn,more
AUTHOR
M. F. Hasler, Oct 21 2011
STATUS
approved