All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
Some Triangles Sum 2014 (Posted on 2014-08-12) Difficulty: 3 of 5
Determine all possible sequences of consecutive triangular numbers whose sum is precisely 2014.

Extra Challenge: A non computer program based method.

No Solution Yet Submitted by K Sengupta    
No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re(2): Possible Solution Comment 5 of 5 |
(In reply to re: Possible Solution by Charlie)

Because I answered the wrong question, Charlie!

(n-m) (m^2+mn+3m+n^2+3n+2) = 12084 = 2^2×3×19×53 gives:

1. ((n-m)=19:) m=3, n=22 (i.e. T(4)...T(22))

2. ((n-m)=2^2*3:) m=11, n=23 (i.e. T(12)...T(23))

corresponding with your solution.


Edited on August 13, 2014, 2:07 am
  Posted by broll on 2014-08-13 01:13:26

Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (13)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information