2 pell s equation 2 1 square triangular numbers and convergents of continued fractions square triangular numbers are integers which are simultaneously perfect squares of the form n2 for some ...
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...Pell s equation square triangular numbers and convergents of continued fractions are integers which simultaneously perfect squares the form n for some m k example is a number tondallsuch weneedtosolvethediophantineequationn itcanbeseenthatthis equivalent to solving diophantine x y where herearetherstfewsquare triangularnumbers andthecorresponding you should notice something solutions correspond pn qn fraction representation here table rst ten corre spondingvaluesof p q it appears that exactly half yield solution thus this in an important family denition apell dy d integer not among all fundamental pair b wherebotharepositiveand areminimal recall we want only keep following treatment clean will consider both positive clearly also be above discussion suggests but indeed case shall show more has innitely many any these may computed using relatively simple procedure follows there present ignore existence question focus on how nd part straightforward andfollowsfromourdiscussionofdiophantine...