2226064

Appears in sequences

• Squares whose digits are all even.at n=28A030098
• Even-digit perfect powers.at n=31A075787
• a(1) = 18; a(n) = 3*a(n - 1) + 2*sqrt(2*a(n - 1)*(a(n - 1) - 14)) - 14 for n > 1.at n=7A275155