| public static lazyCaterers ( integer $n ) : array | ||
| $n | integer | How many numbers in the sequence |
| Résultat | array | |
public static function lazyCaterers(int $n) : array
{
if ($n < 0) {
return [];
}
$p = [];
for ($i = 0; $i < $n; $i++) {
$p[] = ($i ** 2 + $i + 2) / 2;
}
return $p;
}