Seeds (cellular automaton)

Seeds is a cellular automaton in the same family as the Game of Life, initially investigated by Brian Silverman[1][2] and named by Mirek Wójtowicz.

[1] In Game of Life terminology, a pattern in which all cells that were on turn off at each step is called a phoenix.

Even though all live cells are constantly dying, the small birth requirement of two cells means that nearly every pattern in Seeds explodes into a chaotic mess that grows to cover the entire universe.

Thus, in Wolfram's classification of cellular automata, it is a Class III automaton, in which nearly all patterns evolve chaotically.

A collection of patterns for the Seeds rule collected by Jason Summers includes patterns found by Stephen Wright, Mirek Wójtowicz, Noam Elkies, Mark Niemiec, Peter Naszvadi, and David Eppstein.