54358

Appears in sequences

• Integers k such that A072473(k) = A072473(k+1) = A072473(k+2) = A072473(k+3).at n=9A255172
• Number of solutions to x^2 + y^2 + z^2 + w^2 <= n^2, where x, y, z, w are positive odd integers.at n=41A349611