Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsSmall Turing Machines with Halting State: Enumeration and Running on a Blank Tapehttp://demonstrations.wolfram.com/SmallTuringMachinesWithHaltingStateEnumerationAndRunningOnAB/]]>http://demonstrations.wolfram.com/SmallTuringMachinesWithHaltingStateEnumerationAndRunningOnAB/