www.mikescher.com/www/statics/euler/Euler_Problem-044.php

<?php

return 
[
	'number'      => 44,
	'date'        => '2014-12-10',
	'title'       => 'Pentagon numbers',
	'abbreviated' => false,
	'steps'       => 1509045439,
	'time'        => 258993,
	'width'       => 60,
	'height'      => 11,
	'value'       => 5482660,
];