sum of consecutive triangular numbers is a square

[franktaw at netscape.net]

This is more than just a possibility, since the sum of any two 
consecutive triangular numbers is a square.

Franklin T. Adams-Watters


-----Original Message-----
From: sachs6 at yahoo.de

... But there is
also the possibility that there exist numbers k, such
that there are a infinity number of ways to have k
consecutive triangular number summing a perfect
square.
...

Paulo Sachs



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