Twin hat

	Twin hat
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	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html>x = 9, y = 5, rule = B3/S23 2bo3bo$bobobobo$bobobobo$2obobob2o$4bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C Still life <nowiki></nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
	View static image
Pattern type	Strict still life
Number of cells	17
Bounding box	9×5
Frequency class	18.2
Discovered by	Unknown
Year of discovery	Unknown
Rules
Outer-totalistic rules	B/S23 – B378/S012345678
Important rules	Conway Life
# of rules	210 = 1024
Isotropic rules	B/S2-n3r – B2ikn34-ai5-y6-i78/S012345678
Glider synthesis
Fewest gliders	4
Catagolue-generated RLE	twinhat_synth.rle
Uploaded synthesis RLE	twinhat_synth.rle
Pattern files
Plaintext	twinhat.cells
RLE	twinhat.rle
Identifiers
apgcode	xs17_2ege1ege2
Niemiec ID	17.242
Pentadecathlon ID	17.7483

Twin hat (or twin peaks, or bi-hat) is a 17-cell still life that roughly consists of two hats.

Commonness

Twin hat is the thirty-sixth most common still life in Achim Flammenkamp's census, being less common than block on dock but more common than beehive on dock.[1] The twin hat is also the fourty-eighth most common object on Adam P. Goucher's Catagolue.[2]

gollark: Differentiate e^(x ln a) using the chain rule™.

gollark: Seriously. You are making a significant and problematic error.

gollark: Sigh.

gollark: You've finally managed to generalise? Or not.

gollark: A is -6 in this.

Achim Flammenkamp (September 7, 2004). "Most seen natural occurring ash objects in Game of Life". Retrieved on January 15, 2009.
Adam P. Goucher. "Statistics". Catagolue. Retrieved on June 24, 2016.

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