www.mikescher.com/www/statics/euler/Euler_Problem-057.php

<?php

return 
[
	'number'      => 57,
	'date'        => '2015-05-07',
	'title'       => 'Square root convergents',
	'abbreviated' => false,
	'steps'       => 87464066,
	'time'        => 15023,
	'width'       => 80,
	'height'      => 54,
	'value'       => 153,
];