www.mikescher.com/www/statics/euler/Euler_Problem-052.php

<?php

return 
[
	'number'      => 52,
	'date'        => '2015-01-17',
	'title'       => 'Permuted multiples',
	'abbreviated' => false,
	'steps'       => 18887060,
	'time'        => 2917,
	'width'       => 45,
	'height'      => 6,
	'value'       => 142857,
];