P41 dependent reflector loop

p41 glider loop may refer to

• 204P41, a 6-glider loop based on a p41 180º dependent reflector, and the first discovered period-41 oscillator, found by Nico Brown.
• 246P41, an 8-glider loop, based on a p41 90º reflector with a related mechanism, also found by Nico Brown later on the same day.