Before trying the problems "note your opinion as to whether the observed pattern is known to continue, known not to continue, or not known at all."
Is 7013*2n+1 always composite?
Is 78557*2n+1 always composite?
(In reply to re(2): Does it continue?
by Math Man)
Actually, Jer specifically asked for preconceptions, not an answer.
Hence I replied:
"Having looked at the forthcoming problems in the queue, without attempting to solve: "
These were guesses, not answers
Edited on September 23, 2017, 11:23 pm
Posted by broll
on 2017-09-23 23:06:44