A074302 Sum of squares of digits of n is equal to the largest prime factor of n.

1, 120, 133, 267, 298, 803, 917, 973, 1200, 1316, 1330, 1606, 2023, 2511, 2575, 2669, 2670, 2980, 3312, 6179, 6328, 8030, 8083, 8362, 9170, 9730, 10686, 11256, 12000, 12312, 12862, 12927, 12954, 13160, 13300, 14271, 14514, 14615, 14873, 15272