Collatz 5n+1 simulator
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Collatz 5n+1 simulator  
View static image  
Pattern type  Miscellaneous  

Number of cells  30167  
Bounding box  4700×4491  
Discovered by  David Bell  
Year of discovery  2017  
 

Collatz 5N+1 simulator is an unknown fate pattern constructed by David Bell in December 2017 that simulates the Collatz 5N+1 algorithm using sliding block memory and p1 technology, while always having a population below 32000.^{[1]}
The algorithm is simple. Starting with a number, if it is even divide it by 2, otherwise multiply it by 5 and add 1. When this process is iterated a sequence of numbers is generated. When starting with the value of 7, it is currently unknown whether or not the sequence ever forms a cycle.
Because of this the fate of the simulator is also currently unknown. It may become stable, or become an oscillator with a high period, or have a bounding box which grows irregularly.
External links
 Collatz 5n+1 simulator at the Life Lexicon
 Collatz conjecture at Wikipedia
References
 ↑ David Bell (10 December 2017). "Life object having a bounded population with an unknown fate". Retrieved on 29 August 2018.