| public static magicSquares ( integer $n ) : array | ||
| $n | integer | How many numbers in the sequence |
| return | array | |
public static function magicSquares(int $n) : array
{
if ($n < 0) {
return [];
}
$M = [];
for ($i = 0; $i < $n; $i++) {
$M[] = $i * ($i ** 2 + 1) / 2;
}
return $M;
}