1102011domain: NAppears in sequencesPalindromes whose square is a palindrome; also palindromes whose sum of squares of digits is less than 10.at n=35A057135Smallest palindrome of each distinct decimal type (A002113) in increasing order.at n=28A264406Positive integers k that k^2 is a palindrome not containing a 0 digit.at n=22A316187