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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:168AJ GHM

Order: 18

Horizontal side: 168 Vertical side: 168

Elements: 2, 2√2, 4, 4√2, 8, 7√2, 8√2, 16, 15√2, 23√2, 30√2, 46, 62, 46√2, 61√2, 92, 76√2, 122.

Code: 1227 0 168 923 122 76 462 168 122 461 168 168 616 107 61 306 0 46 627 30 76 760 92 76 154 107 61 232 23 23 70 23 23 163 16 0 82 24 8 81 24 16 42 28 12 41 28 16 22 30 14 21 30 16

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)

122
92
46√2
46
61√2
30√2
62
76√2
15√2
23√2
7√2
16
8√2
8
4√2
4
2√2
2