Triangular Squares, Correction!

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1 total messages Started by Robert Morewood Thu, 21 Dec 1995 00:00

#557

Author: Robert Morewood
Date: Thu, 21 Dec 1995 00:00

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OOPS!
Someone around here recently asked about finding triangular square numbers.
(Numbers of pennies that could be arranged either in a solid square or a 
solid triangle.)  I refered them to a letter in the AMS Notices.

The letter is NOT in notices, it is in The Mathematical Intelligencer
Fall 1995 issue.  It gives Ramanujan's solution:

 6 - 1/(6 - 1/(6 - ...  ))

and speculates on how he got it.

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