78256

Appears in sequences

• Sums of 4 distinct powers of 5.at n=36A038476
• a(n) = Sum_{d|n} 5^(d-1).at n=7A339685
• Square array T(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where T(n,k) = Sum_{j=1..n} floor(n/j)^k.at n=59A344725