67885

Appears in sequences

• For 1<=x<=n, 1<=y<=n, with gcd(x,y)=1, write 1 = gcd(x,y) = u*x+v*y with u,v minimal; a(n) = sum of the values of u^2+v^2.at n=36A345431
• The number of polyforms on the snub square tiling where the adjacent triangles are combined into rhombi.at n=11A384115