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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:172AB GHM

Order: 18

Horizontal side: 172 Vertical side: 172

Elements: 4√2, 12√2, 13√2, 14√2, 16√2, 24, 26, 28, 20√2, 32, 40, 40√2, 46√2, 66, 53√2, 66√2, 106, 86√2.

Code: 1065 0 66 864 86 86 466 126 126 403 126 86 325 126 94 42 130 90 164 142 78 283 158 66 142 172 80 243 130 66 122 142 78 204 106 66 406 132 40 665 0 0 664 66 0 136 119 53 267 132 66 530 119 53

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)

106
86√2
46√2
40
32
4√2
16√2
28
14√2
24
12√2
20√2
40√2
66
66√2
13√2
26
53√2