R-pentomino

E169178

The R-pentomino is a small five-cell starting configuration in Conway’s Game of Life known for its chaotic evolution and unusually long stabilization time.

All labels observed (1)

Label Occurrences
R-pentomino canonical 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf Game of Life pattern
methuselah
oscillator seed
pentomino
appearsIn The Recursive Universe
Winning Ways for your Mathematical Plays
category Life methuselah
pentomino pattern
cellCount 5
coordinateSystem integer lattice
discoveredBy John H. Conway
surface form: John Horton Conway
discoveredIn 1970
evolutionIsDeterministic true
evolutionType non-periodic before stabilization
evolvesIn Game of Life
surface form: Conway's Game of Life
gridTopology square grid
hasFiniteSupport true
hasSymmetry none
includedIn Life lexicon
initialBoundingBoxHeight 3
initialBoundingBoxWidth 3
isSmallestKnownMethuselah true
knownFor chaotic evolution
long stabilization time
maximumPopulationDuringEvolution 116
namedAfter letter R
neighborhood Moore neighborhood
notableProperty high growth in population before decay
large number of distinct intermediate patterns
producesObject beacon
beehive
blinker
block
glider
loaf
pi-heptomino
ship
toad
traffic light
rule B3/S23
ruleFamily outer-totalistic cellular automaton
stabilizationGenerations 1103
stabilizationOutcome no further births or deaths after generation 1103
stabilizesTo still lifes and oscillators
startingConfigurationType finite pattern
usedAs classic demonstration of complexity from simple rules

How these facts were elicited

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Game of Life famousPattern R-pentomino