236288

Appears in sequences

• Volume (multiplied by 3) of polyhedron formed by points (i,j,k) in Z^3 with i^2+j^2+k^2 = n^2.at n=28A065089
• a(n) is the denominator of the Schnirelmann density of the n-free numbers.at n=5A342451
• a(n) is the least number at which the Schnirelmann density of the n-free numbers is attained.at n=5A342452