68500

Appears in sequences

• The common value of sigma_2 for square-amicable numbers, sigma_2(m)=sigma_2(n), m<n.at n=19A110929
• Number of binary strings of length n with equal numbers of 00000 and 00101 substrings.at n=17A164182
• Practical numbers q with q + 2 and q^2 + 2 both practical.at n=32A294225
• Row sums of triangle A321686.at n=7A321688