June 6th, 2017, 03:32 PM  #41 
Senior Member Joined: Dec 2013 Posts: 1,101 Thanks: 40 
Up for digging!

June 13th, 2017, 04:44 AM  #42 
Senior Member Joined: Dec 2012 Posts: 979 Thanks: 24 
 3n+1 for n= even  3n+2 for n=odd Paint it as a molecule, it shows how many free branches for new "connections" you have... 

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numbers, prime, sets, splitting 
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