2238016

Appears in sequences

• Squares of even square pyramidal numbers.at n=7A014798
• a(n) = ( n*(n + 1)*(2*n + 1)/6 )^2.at n=16A271535
• Powerful numbers (A001694) whose sum of aliquot powerful divisors (including 1) is larger than 1 and is also powerful.at n=21A349110