Superfountain

Superfountain
x = 46, y = 25, rule = B3/S23 15b2o6b2o6b2o2b2o$9b2o5bo6bo5bo2bo2bo2bob2o$4bo4bobob3o4b2obo5b2o5b3ob obo$3bobo5bobo5bo2bo8b5o4bo2bo$4bo5bo2bo4bobo6b4o2bo3b2o2bobo$4bo7b4o 2bob2o4bo4b5o3bobo2b2o$4b3o3bo5bobo2bo4b2o2bo3bo2b2obobobo$8b2o2bob2ob ob2o4b2o2bo4bo6b2obo$4bo3bo6bobo3b2ob2o3b4o4b2obo2bo$3bo5bobo5bo3bobob 5obo6bob3o$4bo3b3o5bo4bo10b3o2bo$4b3ob2o2b2o2bo2b4o2bobob2obobo2bob2o$ o3bo9bo3b2ob2obo2bo6bo2bo2bo$4b3ob2o2b2o2bo2bo3b3o6b2o4b2o$4bo3b3o5bo 3bo3bo$3bo5bobo5bo5bo3bo$4bo3bo6bobo2b3o3b2o$8b2o2bob2obobo3b2o$4b3o3b o5bo2bobo3b3o$4bo7b4o3bob4o2bo$4bo5bo2bo6bo4bo$3bobo5bobo8bo2b2o$4bo4b obob3o5b2o$9b2o5bo$15b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 2 ZOOM 10 LOOP 4 ]]
View animated image
View static image
Pattern type	Oscillator
Number of cells	278
Bounding box	46 × 25
Period	4 (mod: 4)
Heat	151.5
Volatility	0.63 | 0.58
Kinetic symmetry	Unspecified
Discovered by	Noam Elkies
Year of discovery	1998
Rules Outer-totalistic rules B3/S23 – B38/S23 # of rules 21 = 2 Isotropic rules B3/S23 – B37c8/S234c6n7c
Pattern files Plaintext superfountain.cells RLE superfountain.rle
Identifiers apgcode xp4_okox62s0c4530g8k4871wggmk9b88bl4mgei4ozhn204c68331dd2s34lrco4ghmkk2bb40118q3uhm871zvrwra0ahha4ehvea08821p206w67872278a6zht8046c2oogmm870s3qjlm8brz353xc87064kox146w32

Superfountain is a period-4 sparker that was found in February 1998 by Noam Elkies, shown here with a slightly smaller stator than in its original form. Its name derives from the fact that its lone spark is more isolated than the lone spark in fountain.

A smaller variant of superfountain, found by Nicolay Beluchenko in 2006, is shown below. Note its particulalry strong spark eating the output stream of period-48 glider gun.

x = 37, y = 40, rule = B3/S23 28b2o$13b2o13bo$13b2o11bobo$26b2o3$bobo3bobo$o6bobo11bo$bo3b2o2bo10bo bo$3bobo14bobo$4bo3bo11b3o$4bob2o18b2o$2b2o2b2o18bobo$4bo5b2o16bo$10b 2o16b2o8$25bo3$19bo2bo5bo2bo$17b2o2bob5obo2b2o$19bo11bo$17bob2o9b2obo $15bobo3b3o3b3o3bobo$14b3obo13bob3o$24bobo$18b3o3bobo3b3o$18bo2bo3bo3b o2bo$17b4o2bobobo2b4o$17b2o2b3obob3o2b2o$16bo3bo3bobo3bo3bo$17bo2bobo bobobobo2bo$18bobob2o3b2obobo$19bo11bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ GPS 14 ZOOM 8 AUTOSTART HEIGHT 400 ]]

Beluchenko's variant (click above to open LifeViewer)

External links

• Superfountain at the Life Lexicon

• Superfountain at Adam P. Goucher's Catagolue