E-heptomino

E-heptomino
b3o$2o$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]]
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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 semi-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

3o$3bo$o2bo$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 8 THUMBSIZE 2 ]] A sequence that eventually becomes the immediate child of the E-heptomino sequence in 19 generations, putting them 18 generations apart. (click above to open LifeViewer)

See also

• Lifeline Volume 1
• Lifeline Volume 2

External links

• E-heptomino at the Life Lexicon