20-cell quadratic growth

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20-cell quadratic growth
x = 97, y = 33, rule = B3/S23 94bo$92bobo$94b2o6$88b3o11$96bo$95b2o8$3bob2o$2bo3bo$bo$bo$obo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
Pattern type Breeder
Number of cells 20
Bounding box 97×33
Direction Diagonal
Period 11136
Speed c/12
Discovered by dani
Year of discovery 2022

20-cell quadratic growth is a quadratic growth pattern that was found by dani on April 4, 2022.[1] It is currently the smallest known pattern in terms of population to exhibit quadratic growth, surpassing a 21-cell pattern found on March 15.


  1. dani (April 4, 2022). Re: Small Quadratic Growth Patterns (discussion thread) at the ConwayLife.com forums

External links