Y by son7, Kanep, Adventure10, Mango247
Find all polynomials
with integer coefficients such that
and
is a square of an integer for all nonnegative integers
.
Remark: For a nonnegative integer
and an integer
,
is defined as follows:
if
and
if
.
Proposed by Adrian Beker.




Remark: For a nonnegative integer







Proposed by Adrian Beker.
This post has been edited 1 time. Last edited by BartSimpsons, Dec 27, 2017, 12:26 PM
Reason: added source
Reason: added source