258P3

258P3
x = 28, y = 25, rule = B3/S23 3bo3bobob6obobo3bo$2bob2obo2bobo2bobo2bob2obo$2bo7b2o4b2o7bo$b2o2bo3bo 2b4o2bo3bo2b2o$o2b6ob2o4b2ob6o2bo$2o6b2ob6ob2o6b2o$2b2obo16bob2o$2o2bo 8b2o8bo2b2o$bobo2b3o3bo2bo3b3o2bobo$o2b3o5b2o2b2o5b3o2bo$b2o3bob2obo4b ob2obo3b2o$2bobo2bob3o4b3obo2bobo$2bob2obo3b6o3bob2obo$b2o2bobobobo4bo bobobo2b2o$o2bo7b6o7bo2bo$b2o3bo14bo3b2o$5bo3b4o2b4o3bo$4bob2obo2bo2bo 2bob2obo$4bo2b3o8b3o2bo$b2obo2b3o2bo2bo2b3o2bob2o$b2obob2o4b4o4b2obob 2o$5bo3bo8bo3bo$6bobo10bobo$4bobobobo6bobobobo$4b2o3b2o6b2o3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ THUMBSIZE 4 ZOOM 16 GPS 1 HEIGHT 540 ]]
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Pattern type	Oscillator
Number of cells	258
Bounding box	28 × 27
Period	3 (mod: 3)
Heat	130.7
Volatility	0.54 | 0.54
Kinetic symmetry	-e
Discovered by	Noam Elkies
Year of discovery	1997
Rules Outer-totalistic rules B3/S23 – B38/S238 # of rules 22 = 4 Isotropic rules B3/S23 – B34ce8/S234cew5ace6en7c8
Pattern files Plaintext 258p3.cells RLE 258p3.rle
Identifiers apgcode xp3_0gg0j9mg6930gggg0396gm9j0ggz0hh078k73f88dwd88f37k870hhz1iu1c6gegq8v5555v8qgeg6c1ui1zlm8b5922ig0hjkkjh0gi2295b8mlz12eh9b1p1idlqiiqldi1p1b9he21

258P3 is a period-3 oscillator discovered by Noam Elkies on June 25, 1997. In generation 2 it provides an isolated domino spark which can lead to higher period oscillators, such as the first known period-33 oscillator, 258P3 on Achim's p11. A related but slightly smaller oscillator was found by Karel Suhajda on January 13, 2003. A P3 dot fountain is also known.

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  Generation 2 reveals the isolated domino spark

Gallery

x = 28, y = 24, rule = B3/S23 13b2o2$3b2o3bob2o4b2obo3b2o$2bo3bobo3b4o3bobo3bo$2bobo5bo2b2o2bo5bobo$ b2o6b2o2b2o2b2o6b2o$o2b3o4b2o4b2o4b3o2bo$2o4b3o3b4o3b3o4b2o$2b3ob3o10b 3ob3o$2o5bo4b4o4bo5b2o$bobo3b2o10b2o3bobo$o2b3o3bo2bo2bo2bo3b3o2bo$b2o 3b2o3b6o3b2o3b2o$2bobo4b2o2b2o2b2o4bobo$2bob2obobo3b2o3bobob2obo$b2o2b ob5o4b5obo2b2o$o2bob2o4b6o4b2obo2bo$bobobobobo8bobobobobo$2obo6b8o6bob 2o$3b2o2b2o10b2o2b2o$2obo2bo2b3ob2ob3o2bo2bob2o$o3b2o2bo2bob2obo2bo2b 2o3bo$b3o5b2o6b2o5b3o$3bo20bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 10 THUMBSIZE 2 GPS 2 AUTOSTART LOOP 3 ]] A related domino sparker discovered by Karel Suhajda (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

x = 28, y = 24, rule = B3/S23 13b2o2$3b2o3bob2o4b2obo3b2o$2bo3bobo3b4o3bobo3bo$2bobo5bo2b2o2bo5bobo$ b2o6b2o2b2o2b2o6b2o$o2b3o4b2o4b2o4b3o2bo$2o4b3o3b4o3b3o4b2o$2b3ob3o10b 3ob3o$2o5bo4b4o4bo5b2o$bobo3b2o10b2o3bobo$o2b3o3bo2bo2bo2bo3b3o2bo$b2o 3b2o3b6o3b2o3b2o$2bobo4b2o2b2o2b2o4bobo$2bob2obobo3b2o3bobob2obo$b2o2b ob5o4b5obo2b2o$o2bob2o4b6o4b2obo2bo$bobobobobo8bobobobobo$2obo6b3o2b3o 6bob2o$3b2o2b2o3bo2bo3b2o2b2o$2obo2bo2b3o4b3o2bo2bob2o$o3b2o2bo10bo2b 2o3bo$b3o5b3o4b3o5b3o$3bo7bo4bo7bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 10 THUMBSIZE 2 GPS 2 AUTOSTART LOOP 3 ]] A reduction by Entity Valkyrie (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

x = 26, y = 19, rule = B3/S23 4b2o6b2o6b2o$3bo18bo$3bobobob2o4b2obobobo$2b2o7b4o7b2o$5bo3bo2b2o2bo3b o$2b2obob3o2b2o2b3obob2o$bob2o2b4o4b4o2b2obo$bo7b2o4b2o7bo$2obob2o5b2o 5b2obob2o$2bob3obo8bob3obo$2o7bobo2bobo7b2o$bob2ob2obo6bob2ob2obo$o2bo 3b2o8b2o3bo2bo$2o2b2o3bo6bo3b2o2b2o$6b2obo6bob2o$6bo3bo4bo3bo$7b3o6b3o $9bobo2bobo$10b2o2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 10 THUMBSIZE 2 GPS 2 AUTOSTART LOOP 3 ]] 150P3, same strength spark, significantly smaller, but lower clearance on the sides (click above to open LifeViewer) RLE: here Plaintext: here Catagolue: here

External links

• 258P3 at Adam P. Goucher's Catagolue