perplexus.info :: Just Math : Summing consecutive factorials

Summing consecutive factorials (Posted on 2018-06-26)

1!=1^2; 1!+2!+3!=3^2
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.

No Solution Yet Submitted by Ady TZIDON

No Rating

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
re(5): If you don't have to start with 1 ...	Daniel	2018-06-26 20:36:47
re(4): If you don't have to start with 1 ...	Daniel	2018-06-26 20:23:20
re(3): If you don't have to start with 1 ...	xdog	2018-06-26 12:19:17
re(2): If you don't have to start with 1 ...	Daniel	2018-06-26 12:00:27
re: If you don't have to start with 1 ...	Steve Herman	2018-06-26 10:19:37
If you don't have to start with 1 ...	Larry	2018-06-26 10:13:21
analytical solution	Daniel	2018-06-26 10:02:58

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info