406875

Appears in sequences

• a(n) = n^4 + n^3 + n^2.at n=25A100019
• Jordan function ratio J_6(n)/J_2(n).at n=24A194532
• Numbers k such that core(k) is equal to the sum of the proper square divisors of k, where core(k) = A007913(k).at n=17A225882
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 3 or 8 king-move adjacent elements, with upper left element zero.at n=13A305226
• a(n) = n^2*sigma_2(n).at n=25A386745