glider widths and glider parities

 

Table 3.1: The widths of Cook's gliders.

glider	width	width mod 14	parity
An	6n	$6n \bmod 14$	even
Bn	8n	$8n \bmod 15$	even
BBar	22	8	even
C1	23	9	odd
C2	17	3	odd
C3	25	11	odd
D1	25	11	odd
D2	19	5	odd
E1	19	5	odd
E2	27	13	odd
E3	21	7	odd
En	+10	every n+3	odd
EBar	21	7	odd
F	29	1	odd
G	38	10	even
H	.	.	.