63708

Appears in sequences

• Number of n-step self-avoiding walks on a 2D square lattice where the walk cannot step to the smaller square ring of numbers than the ring it is currently on.at n=11A347990
• Numbers x such that there exist three integers 0<x<=y<=z and t>0 such that sigma(x)^2 = sigma(y)^2 = sigma(z)^2 = x^2 + y^2 + z^2 + t^2.at n=33A385531