246304

Appears in sequences

• (1/2)*number of regular tetrahedra that can be formed using the points in an (n+1) X (n+1) X (n+1) lattice cube.at n=22A103158
• Let s(k) denote the sum of the even proper divisors of k. The sequence lists the pairs of numbers (x, y) such that s(x) = y and s(y) = x.at n=29A279812
• List of ordered pairs (x, y) from A279812.at n=31A279950