A158082 Squares whose decimal expansion contains no digit bigger than 4.

0, 1, 4, 100, 121, 144, 324, 400, 441, 1024, 1444, 2304, 2401, 10000, 10201, 10404, 12100, 12321, 14400, 22201, 23104, 32041, 32400, 33124, 40000, 40401, 44100, 101124, 102400, 103041, 110224, 114244, 121104, 123201, 130321, 131044, 144400