Curved Hexagonal Packings of Equal Disks in a Circle

B. D. Lubachevsky, R. L. Graham

For each k >= 1 and corresponding hexagonal number h(k) = 3k(k+1)+1, we introduce m(k) = max[(k-1)!/ 2, 1] packings of h(k) equal disks inside a circle which we call "the curved he…