Period-89 oscillator engines

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[1] [2] [3] [4] [5] [6]

A p89 pi-heptomino hassler partial was found by David Raucci on May 25, 2021.[7]

x = 143, y = 86, rule = B3/S23 123b2o$104b2obob2o13bo$103bo2b2obo2bob2obo$18b2o82bobo4bob2obob2o$18bo 13b2obob2o64bob5o11bobo$25bob2obo2bob2o2bo65bo4bob2o$25b2obob2obo4bobo 63bo3bobob2o4bo2bo3bo$19bobo11b5obo63bo3bobo7bobo4bo$29b2obo4bo65b2ob 2o8b3o$17bo3bo2bo4b2obobo3bo76b2o$18bo4bobo7bobo3bo48bo27b2o3bo$24b3o 8b2ob2o20bo27b3o29bo$26b2o32b3o28bo28b2o$21bo3b2o27bo8bo26b2o29bo$22bo 29b3o7b2o$21b2o28bo41bobo34b2o$21bo29b2o41b2o33bo2bo$91b2o37b2obo$11b 2o34bobo14b3o22bo2bo40bo$10bo2bo33b2o14bo3bo21bo43b2o$9bob2o37b2o10bo 5bo5b3ob3o9bo2bo3b2o19b2o18b2o$9bo40bo2bo8bo5bo5bo5bo10b3o25bo18bo$8b 2o43bo8b3ob3o5bo5bo35b3o21bo$3b2o18b2o19b2o3bo2bo22bo3bo23b2o11bo2b3o 14b5o$4bo18bo25b3o24b3o13b2o9bo14bo2bo13bo$2bo21b3o65b2o10b3o10b2o2bob o12b3o$2b5o14b3o2bo11b2o66bo15b2o3bo11bo$7bo13bo2bo14bo9b2o46b2o27bob 2o6b4o$4b3o12bobo2b2o10b3o10b2o28b2o17bo27bo2bo6bo3b2o$3bo11bo3b2o15bo 42bo16bo7b2o3b2o6bo9b3o7b3o2bo$3b4o6b2obo63b3o11b4o6b2o3b2o5bobo20bob 2o$b2o3bo6bo2bo15b2o6bo11b2o28bo10bo23bo21bo$o2b3o7b3o15bo2bo4bobo10b 2o38bo2b3o40b2o$2obo23b2o2b3obo3bobo51b2o2bo$3bo23bo6bobob2ob2o52b2o$ 3b2o20bobo3b2o3bobo56bo34b2o$25b2o4bob4o2bob2o53bo33bo$33bo3bobob2o50b 3o35b3o$11b2o19bo3bobo54bo39bo$12bo18bo3bobo84b2o$9b3o4bo14b2o3bo85bo$ 9bo5bobo105b3o$16bo32b3o57b2o14bo$49bo2bo54b2obo$53bo53b2o$49bo2bo31bo 13bobo8b2o7b2o2b2ob2o$35bo13b3o7b2o23b3o11b2o11b2o5bobo2bobobo$32b3o 23bo2bo25bo11bo3b2o16b2o2bobo$15b2o11b2obo27b2obo23b2o16bo5bobo9bobobo $15b2o11bo4bo28bo38b3o7bo7bo2bo2bo$29b3o30b2o37bo16bobob3o$47b2o18b2o 9b2o39bobo$48bo18bo10bo41bo2b2o$15b2o28b3o21bo5b2obo42b2ob3o$15b2o16b 2o10bo2b3o14b5o5bo2b3o4b2o40bo$33bobo11bo2bo13bo11b2o3bo3b2o34b2ob3o$ 35bo10b2o2bobo12b3o10b4o39b2obo$35b2o14b2o15bo9bo15b2o$30bobo32b4o10b 3o12bobo$31b2o27b2o3bo3b2o11bo13bo7b2o$13b2o16bo28b2o4b3o2bo5b5o14b2o 4bo2bo$13bo2bob2o26bo21bob2o5bo24b2obobo$15b2obobobo21b3o5b2o14bo10bo 24bob2o$16bobob2obo19bo7bobo13b2o9b2o24bo6b3ob3o$16bo2bo3bo19b2o8bo48b 3o6bo5bo$17bobo3b2o76bo9bo5bo$18bo40b2o35bo4b2o9bo3bo9b2o$59bo34bobo 16b3o10b2o$60b3o32b2o$62bo2$33b2o$32bobo5b2o69bo$32bo7b2o49b2o17bobo$ 31b2o57bobo5b2o10bobo$90bo7b2o11bo$45bo43b2o17b3o$41b2obobo61bo$40bobo bobo56bo$37bo2bobobobob2o49b2obobo$37b4ob2o2bo2bo48bobobobo$41bo4b2o 47bo2bobobobob2o$39bobo53b4ob2o2bo2bo$39b2o58bo4b2o$97bobo$97b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ THUMBSIZE 2 WIDTH 616 HEIGHT 581 GPS 10 X 0 Y -22 Z 19 AUTOSTART ]]
David Raucci's p89 partial from May 25, 2021.
Zoom out to see a sample support structure.
(click above to open LifeViewer)

Outside the frame, the above pattern includes a sample completion by Sphenocorona, May13, and Entity Valkyrie 2,[8] using a high-clearance Herschel-to-domino converter. Glider-gun-based stabilizations like this one are not usually counted as valid completions of an oscillator engine when collecting completed oscillators, and are not added to the "b3s23osc" oscillator stamp collection.[note 1]

Notes

  1. ↑ Glider-based completions are possible for oscillator engines of many different periods not currently represented in the collection, but the resulting oscillators are too large and unwieldy to be notable. In part this is because the guns themselves could be trivially adjusted to become much smaller oscillators of the same periods, with no need for the stabilized engine.

See also

References

  1. ↑ David Raucci (May 28, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  2. ↑ https://conwaylife.com/forums/viewtopic.php?p=142495#p142495
  3. ↑ https://conwaylife.com/forums/viewtopic.php?p=142634#p142634
  4. ↑ https://conwaylife.com/forums/viewtopic.php?p=151361#p151361
  5. ↑ https://conwaylife.com/forums/viewtopic.php?p=156021#p156021
  6. ↑ https://conwaylife.com/forums/viewtopic.php?p=156408#p156408
  7. ↑ David Raucci (May 25, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
  8. ↑ Entity Valkyrie 2 (May 27, 2021). Re: Oscillator Discussion Thread (discussion thread) at the ConwayLife.com forums
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