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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:216AD GHM

Order: 18

Horizontal side: 216 Vertical side: 216

Elements: 8, 8√2, 16, 14√2, 24, 28, 32, 33√2, 56, 40√2, 42√2, 66, 80, 61√2, 94, 80√2, 122, 108√2.

Code: 1225 0 94 1084 108 108 806 136 136 283 136 108 805 136 56 144 122 94 426 94 66 945 0 0 614 61 33 336 61 33 665 94 0 325 136 24 404 176 16 563 216 0 241 160 24 87 160 24 80 168 24 167 160 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
108√2
80√2
28
80
14√2
42√2
94
61√2
33√2
66
32
40√2
56
24
8
8√2
16