E-heptomino

	E-heptomino
	<a href="/wiki/File:Eheptomino.png" class="image" title="E-heptomino image"><img alt="E-heptomino image" src="/w/images/7/7a/Eheptomino.png" decoding="async" width="121" height="101" /></a>
	<a href="/wiki/File:Eheptomino.png" class="image" title="E-heptomino image"><img alt="E-heptomino image" src="/w/images/7/7a/Eheptomino.png" decoding="async" width="121" height="101" /></a>
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Pattern type	Methuselah
Number of cells	7
Bounding box	4×3
MCPS	7
Lifespan	343 generations
Final population	51
L/I	49
F/I	7.3
F/L	0.149
L/MCPS	49
Discovered by	John Conway
Year of discovery	1970
Rules
Outer-totalistic rules	B3/S23 only
Important rules	Conway Life
# of rules	20 = 1
Isotropic rules	B3/S23 only
Glider synthesis
Fewest gliders	3
Uploaded synthesis RLE	eheptomino_synth.rle
Pattern files
Plaintext	eheptomino.cells
RLE	eheptomino.rle

E-heptomino (or E) is a common heptomino named by John Conway. It stabilizes at generation 343, leaving behind four beehives, five blocks, one blinker and one escaping glider.

Image gallery

E-heptomino at generation 343