Are there any other sums of n consecutive factorials that sum up to a perfect square?
Either list them all or prove there are none.
(In reply to re(3): If you don't have to start with 1 ...
dang you're right, back to the drawing board, that's what I get for using a quick python script and not double checking my calculations. Made a quick list of the distinct remainders of squares mod 7 and hosed it up somehow.
Posted by Daniel
on 2018-06-26 20:23:20