Y by megarnie, deduck
Let
be the sequence defined by
and
for each integer
. Suppose that
is a prime and
is a positive integer. Prove that some term of the sequence
is divisible by
.
Proposed by John Berman








Proposed by John Berman
This post has been edited 1 time. Last edited by KevinYang2.71, Mar 21, 2024, 3:11 PM