Why not

	Why not
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	<html><div class="rle"><div class="codebox"><div style="display:none;"><code></html> 3bo3b$3bobob$bo5b$ob5o$bo5b$3bobob$3bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] <nowiki>#C [[ LOOP 2 GPS 2 THUMBSIZE 2 ]]</nowiki> <html></code></div></div><canvas width="200" height="300" style="margin-left:1px;"><noscript></html> <html></noscript></canvas></div></html>
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Pattern type	Oscillator
Family	Griddle
Number of cells	14
Bounding box	7×7
Frequency class	39.9
Period	2
Mod	2
Heat	15
Volatility	0.68
Strict volatility	0.68
Discovered by	David Buckingham
Year of discovery	1977
Rules
Outer-totalistic rules	B3/S23 – B3678/S2345678
Important rules	Conway Life, HighLife
# of rules	28 = 256
Isotropic rules	B3enqr/S2ci3cy – B2ikn34-ejkt5-e678/S2345678
Glider synthesis
Fewest gliders	7
Catagolue-generated RLE	whynot_synth.rle
Uploaded synthesis RLE	whynot_synth.rle
Pattern files
Plaintext	whynot.cells
RLE	whynot.rle
Identifiers
apgcode	xp2_4k1u1k4zw121
Pentadecathlon ID	14P2.20

Why not is a period-2 oscillator that was found by David Buckingham in July 1977[1] that is extremely similar to by flops; in fact, in one of its phases it differs by only one cell. It first appeared naturally on April 15, 2015, in a soup submitted to Catagolue by Brett Berger.[2]

References

Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.
Brett Berger (April 16, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums

External links

Why not at the Life Lexicon

Why not at Adam P. Goucher's Catagolue

14P2.20 at Heinrich Koenig's Game of Life Object Catalogs

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[1] Dean Hickerson's oscillator stamp collection. Retrieved on March 14, 2020.

[post18762-2] Brett Berger (April 16, 2015). Re: Soup search results (discussion thread) at the ConwayLife.com forums