Square triangular number: Difference between revisions

Revision as of 05:49, 4 March 2020

Revision as of 20:03, 6 March 2020

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==Pell's equation==

The problem of finding square triangular numbers reduces to [[Pell's equation]] in the following way.<ref>

{{cite book | last1 = Barbeau | first1 = Edward | title = Pell's Equation | pages = 16–17[https://archive.org/details/pellsequation0000barb/page/16 16]–17 | url=https://booksarchive.google.comorg/books?iddetails/pellsequation0000barb | url-access =FtoFImV5BKMC&pg=PA16 registration | accessdate = 2009-05-10 |series = Problem Books in Mathematics | publisher = Springer | ___location = New York | year = 2003 | isbn = 978-0-387-95529-2 }}

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