OFFSET

1,1

COMMENTS

The root-n Waterman polyhedron is the convex hull of the intersection of a closed ball of radius sqrt(2*n) with the lattice of sphere-center points of a cubic close packing. [Probably the f.c.c. lattice is intended here. - N. J. A. Sloane, Aug 09 2006]

CROSSREFS

KEYWORD

nonn

AUTHOR

Hugo Pfoertner, May 26 2006

STATUS

approved