205400

Appears in sequences

• Nonprime numbers k such that k | sigma_3(k) + phi(k)^3.at n=34A055970
• Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with x(i)+x(j), x(i+1)+x(j+1), -(x(i)+x(j+1)), and -(x(i+1)+x(j)) having three or four distinct values for every i<=n and j<=n.at n=7A211463
• Growth series for affine Coxeter group B_5.at n=33A267168