121568

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=22A065089
• a(n) = 2*a(n-2)+4*a(n-4)+a(n-6), n>9.at n=23A107856
• Numbers n such that n^k is zeroless for k=0,...,6.at n=35A253647