Cellular Shading

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The range-2 cellular automaton 3471517836 has the unusual property that the overall shading depends strongly on the shading in the initial condition.
Contributed by: Ed Pegg Jr (March 2011)
Based on work by: Machi Zawidzki
Open content licensed under CC BY-NC-SA
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Details
Based on work done at the 2005 NKS Summer School (NKS|Online).
Permanent Citation
"Cellular Shading"
http://demonstrations.wolfram.com/CellularShading/
Wolfram Demonstrations Project
Published: March 7 2011