868624

Appears in sequences

• Squares whose digits are all even.at n=26A030098
• Even-digit perfect powers.at n=29A075787
• Squares whose digits are all positive and even.at n=11A103751
• Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.at n=37A173943
• Number of 4 X n 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.at n=13A207950
• Squares equal to the difference between two successive primes of the form n^2+1.at n=30A216330
• Number of n X 2 arrays of permutations of 0..n*2-1 with each element moved a city block distance of 0 or 2.at n=8A263420
• a(n) is the largest n-digit square with all digits even.at n=5A343725