102010000domain: NAppears in sequencesWrite n in binary then square as if written in base 10.at n=20A063009Squares in every base >=3 (involving no carries and no digit apart from 0, 1 and 2).at n=17A066139Squares whose largest decimal digit is 2.at n=13A277946Squares using only decimal digits 0,1,2,3.at n=27A331543