A Palindrome from Triangular Numbers

Triangular
numbers are formed from triangular collections of like objects.
Start with 1, add 2 to it, then 3 to the sum, then 4 to that sum . . .
giving the sequence 1, 3, 6, 10, 15, 21, 28 ... Add together any three successive triangular numbers to make a palindrome, value not to exceed 1 billion. |

Site design/maintenance: Dave EllisE-mail me!

Last Updated: January 17th, 2010.