167784

Appears in sequences

• Convolution of natural numbers n >= 1 with Lucas numbers L(k) for k >= -2.at n=23A033818
• Numbers k such that sigma(k) = sigma(k+1)+sigma(k-1).at n=6A073500
• Number of ways to arrange 4 points on an n X n X n triangular grid on an isosceles triangle so that it balances at the midpoint of its central altitude.at n=22A194021
• Numbers m such that tau(m) = tau(m-1) + tau(m+1) and simultaneously sigma(m) = sigma(m-1) + sigma(m+1).at n=1A347076