www.mikescher.com/www/statics/euler/Euler_Problem-013.php

<?php

return 
[
	'number'      => 13,
	'date'        => '2014-09-11',
	'title'       => 'Large sum',
	'abbreviated' => true,
	'steps'       => 244792,
	'time'        => 78,
	'width'       => 59,
	'height'      => 113,
	'value'       => 5537376230,
];