Wolfram Research

Minimal Inequivalent Square Tilings

A dataset of images and constraints for the minimal inequivalent square tilings, along with the allowed tiles that generate the tiling

4 Dimensional Keller Graph

The Second DIMACS Implementation Challenge: 1992-1993

5 Dimensional Keller Graph

The Second DIMACS Implementation Challenge: 1992-1993

Gridded World Population Density

UN-adjusted gridded world population density for the years 2000, 2005, 2010, and 2015