Period-3 oscillators with up to 19 cells

This page is intended as an editable, up-to-date partial replacement for Mark Niemiec's page on period-3 oscillators with syntheses (https://conwaylife.com/ref/mniemiec/p3.htm).

12 to 16 cells

Main article: List of oscillators with 3 to 16 cells

Population	Oscillator		apgcode	Frequency class	Cost in gliders
12		Caterer	xp3_4hh186z07	32.0	5
13		Jam	xp3_695qc8zx33	27.6	5
14		Two eaters	xp3_32aczy0354c	38.8	6
16		Trans-block on candlefrobra	xp3_025qzrq221	31.0	5
16		Cis-block on candlefrobra	xp3_025qz32qq1	32.5	5
16		Bent keys	xp3_2524sws4252	39.2	7
16		Eater eating integral	xp3_31egozy231e8	40.5	7
16		Trice tongs	xp3_04qi3s4z33w1	40.6	8
16		Odd keys	xp3_2524sws44a4	40.7	7
16		Short keys	xp3_2522ewe2252	41.1	6

17 cells

	Oscillator		apgcode	Frequency class	Cost in gliders
1		Cis-boat down on candlefrobra	xp3_4a422hu06a4	35.4	5
2		Cis-boat up on candlefrobra	xp3_2530fh884a4	36.3	5
3		Trans-boat down on candlefrobra	xp3_g8o0uh224a4z01	38.2	6
4		Trans-boat up on candlefrobra	xp3_2560uh224a4	39.0	6
5		Bent key and skewed pole	xp3_31ecsggocca4	43.0	8
6		Short key and skewed pole	xp3_257631176ego	46	13
7		Eater eating tub with nine	xp3_178c0ggzy11078k8	46	8
8		Eater eating hook with nine	xp3_321egozy331e8	unknown	9

18 cells

	Oscillator		apgcode	Frequency class	Cost in gliders
1		Open cuphook	xp3_6a889b8ozx33	35.2	6
2		Cis-beehive on candlefrobra	xp3_4a422hu0696	35.4	7
3		Trans-beehive on candlefrobra	xp3_o4o0uh224a4z01	37.0	6
4		Cis-ship up on candlefrobra	xp3_4a422hu0okc	38.6	5
5		Meta-table and candlefrobra	xp3_025qzraaq1	39.7	7
6		Carrier bridge candlefrobra	xp3_0q52z122qj4c	40.1	9
7		Cis-skewed poles	xp3_31ecsggsce13	40.2	7
8		Trans-ship down on candlefrobra	xp3_g8o0uh224a4z11	40.4	7
9		Trans-ship up on candlefrobra	xp3_3560uh224a4	40.5	8
10		Cis-block on cuphook	xp3_32q4w8ozxdd11	40.6	6
11		Cis-ship down on candlefrobra	xp3_4a422hu06ac	40.7	7
12		Two pulsar quadrants	xp3_co9na4oggzw12e	40.8	8
13		Trans-block on cuphook	xp3_32q4w8ozx11dd	41.3	7
14		Cis-carrier up on candlefrobra down	xp3_39c0fh884a4	42.6	7
15		Para-table and candlefrobra	xp3_025qz32qa9o	43.2	8
16		Ortho-table and candlefrobra	xp3_0q52z122qb8o	43.9	8
17		Trans-carrier up on candlefrobra down	xp3_4a422hu0628c	44.7	10
18		Trans-carrier up on candlefrobra up	xp3_4a422hu0og4c	44.8	12
19		Trans-carrier down on candlefrobra up	xp3_w25qz0bq221z32	45.1	12
20		Cis-carrier up on candlefrobra up	xp3_4a422hu0oi6	46	10
21		Eater eating elevener	xp3_178c0ggzy11074ko	47	8
22		Trans-carrier down on candlefrobra down	xp3_31460uh224a4	47	10
23		Pulsar quadrant	xp3_4s3ia4oggzw12e	47	8
24		Cis-snake up on candlefrobra	xp3_4a422hu06246	47	9
25		Integral eating integral	xp3_31egozy231ego	47	8
26		Eater eating trans-boat with nine	xp3_178c0ggzy11078ko	47	8
27		Cis-carrier down on candlefrobra down	xp3_g4c0fh884a4z11	unknown	9
28		Cis-carrier down on candlefrobra up	xp3_08o0uh224a4z32	unknown	10
29		Cis-snake down on candlefrobra	xp3_4a422hu06426	unknown	9
30		Eater eating hungry hat	xp3_8e1egozy331e8	unknown	8
31		French kiss	xp3_17844ozx3442sg	unknown	8
32		Trans-snake down on candlefrobra	xp3_31230fh884a4	unknown	9
33		Trans-snake up on candlefrobra	xp3_32130fh884a4	unknown	9
34		Eater eating eater with cape	xp3_wgg0c871acz4701	unknown	9
35		Eater eating cis-boat with nine	xp3_178c0ggzy11078kc	unknown	9
N/A		Eater eating carrier siamese eater tail	xp3_32aczy0354c826	[No natural occurrences]	9
N/A		Eater eating eater tail siamese snake	xp3_32132aczy3354c	[No natural occurrences]	8
N/A		Eater eating long hook with nine	xp3_6421egozy431e8	[No natural occurrences]	8
N/A		Trans-skewed poles	xp3_31ecsgzy2176ego	[No natural occurrences]	8