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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:164AQ1of2 GHM

Order: 18

Horizontal side: 164 Vertical side: 164

Elements: 2√2, 6√2, 12, 11√2, 12√2, 22, 24, 20√2, 22√2, 36, 40, 40√2, 42√2, 62, 51√2, 62√2, 102, 82√2.

Code: 1025 0 62 824 82 82 426 122 122 403 122 82 365 122 86 22 124 84 241 146 86 122 158 74 121 158 86 62 164 80 220 124 84 204 102 62 406 124 40 625 0 0 624 62 0 116 113 51 227 124 62 510 113 51

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

102
82√2
42√2
40
36
2√2
24
12√2
12
6√2
22√2
20√2
40√2
62
62√2
11√2
22
51√2