285768

Appears in sequences

• Even refactorable numbers k such that the number r of odd divisors and the number s of even divisors are both odd divisors of k and k is the first number for which the triple (r,s,t) occurs, where t is the number of divisors of k.at n=14A120358
• a(n) = n^2*(n+1)^2/2.at n=27A163102