40804

Appears in sequences

• Palindromic squares.at n=10A002779
• Squares of palindromes.at n=29A014186
• a(n) = (6*n + 4)^2.at n=33A016958
• a(n) = (7*n + 6)^2.at n=28A017054
• a(n) = (8*n + 2)^2.at n=25A017090
• a(n) = (9*n + 4)^2.at n=22A017210
• a(n) = (10*n + 2)^2.at n=20A017294
• a(n) = (11*n + 4)^2.at n=18A017438
• a(n) = (12*n+10)^2.at n=16A017642
• Palindromic squares with an odd number of digits.at n=9A028817
• Palindromes whose sum of divisors is odd.at n=13A028984
• Squares whose digits are all even.at n=12A030098
• Squares which when written backwards remain square (final 0's excluded).at n=21A033294
• Palindromes that start with 4.at n=30A043039
• Squares with initial digit '4'.at n=14A045787
• Palindromic even lucky numbers.at n=42A045960
• Palindromes with exactly 4 palindromic prime factors (counted with multiplicity).at n=15A046378
• a(n) = smallest palindrome > a(n-1) such that a(1)*a(2)*...*a(n) - 1 is a prime.at n=35A051954
• Palindromes whose square root is a palindrome.at n=9A057136
• Squares composed of digits {0,4,8}, not ending with zero.at n=2A058442