Achim's p8 is a period 8 oscillator discovered by Achim Flammenkamp on July 20, 1994. In August 2004 Jason Summers and Mark Niemiec found a 13-glider synthesis of this oscillator.
On Catagolue, it is the fifth most common period 8 oscillator, being slightly less common than smiley but more common than blocker on cis-dock.
- ↑ Dean Hickerson's oscillator stamp collection.
- ↑ Jason Summers' jslife pattern collection.
- ↑ Adam P. Goucher. "Statistics". Catagolue. Retrieved on October 27, 2018.
- 18P8.1 at Heinrich Koenig's Game of Life Object Catalogs