Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsPrime-Generating Cellular Automatonhttp://demonstrations.wolfram.com/PrimeGeneratingCellularAutomaton/]]>http://demonstrations.wolfram.com/PrimeGeneratingCellularAutomaton/