28458

Appears in sequences

• Partial sums of A001157: Sum_{j=1..n} sigma_2(j).at n=40A064602
• Row sums of A095167.at n=30A095170
• Structured triakis tetrahedral numbers (vertex structure 4).at n=26A100175
• Numbers n such that sigma(n) = 8*phi(n).at n=13A104901
• The Wiener index of the comb-shaped graph |_|_|...|_| with 2n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph.at n=33A192023
• Number of length 3 0..n arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=30A244942
• a(n) is the largest number t such that there exist numbers i,j,k such that, for all m <= t, there exist integers x,y,z with x*i + y*j + z*k = m and |x|+|y|+|z| <= n.at n=41A383579