OFFSET
1,1
COMMENTS
Corvaja and Zannier showed that a(n) tends to infinity as n tends to infinity.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
P. Corvaja and U. Zannier, On the greatest prime factor of (ab+1)(ac+1), arXiv:math/0205136 [math.NT], 2002.
Rémy Sigrist, PARI program for A332768
EXAMPLE
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
nonn,look
AUTHOR
Rémy Sigrist, Feb 23 2020
STATUS
approved