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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:154AU GHM

Order: 18

Horizontal side: 154 Vertical side: 154

Elements: 4√2, 8, 8√2, 11√2, 16, 22, 20√2, 22√2, 36, 37, 28√2, 40, 29√2, 57, 77, 57√2, 97, 77√2.

Code: 975 0 57 774 77 77 773 154 77 204 97 57 40 117 77 371 154 77 163 113 57 82 121 65 81 121 73 222 143 51 363 121 29 577 0 57 570 57 57 284 85 29 223 143 29 112 154 40 403 154 0 294 114 0

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)

97
77√2
77
20√2
4√2
37
16
8√2
8
22√2
36
57
57√2
28√2
22
11√2
40
29√2