5078125

Appears in sequences

• Least hypotenuse of n distinct Pythagorean triangles.at n=25A006339
• a(n) = n*(n-1)^4/2.at n=26A019583
• a(n) = n^8*(n^2+1)/2.at n=5A170774
• a(n) is the unique n-digit odd number (including leading zero(s)) with alternating even and odd digits and divisible by 5^n.at n=6A321288
• a(n) is the unique n-digit odd number (including leading zero(s)) with alternating even and odd digits and divisible by 5^n.at n=7A321288