Main video is at:    • TREE vs Graham's Number  Numberphile   Featuring Tony Padilla...
Supporting #TeamTrees on a quest to plant 20 million trees https://www.teamtrees.org/ (Original brown papers from this video available to support the campaign http://bit.ly/brownpapers)

Do Numbers Exist:    • Do numbers EXIST?  Numberphile  

Big Numbers: http://bit.ly/Big_Numbers
More on Graham's Number:    • Graham's Number  Numberphile  
Ron Graham videos: http://bit.ly/Ron_Graham
More on TREE(3):    • The Enormous TREE(3)  Numberphile  

Moon Trees:    • MOON TREES  Sixty Symbols  
Video guides to Tree Species: http://bit.ly/TreesPlants

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