A029794 Squares such that sqrt(n) and n have same digits.

0, 1, 100, 10000, 1000000, 22676644, 23348224, 100000000, 107661376, 110103049, 125552025, 153388225, 160022500, 219899241, 504002500, 552532036, 605406025, 696643236, 1169366416, 1311526225, 2267664400