5856400

Appears in sequences

• Duplicate of A078215.at n=4A077519
• a(1) = 1; a(n) for n > 1 is the smallest multiple of a(n-1) that is a square and begins with n.at n=4A078215
• Squares t^2 = (p+q+r+s)/4 which are the arithmetic mean of four consecutive primes such that p < t^2 < q < r < s.at n=12A234318