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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:204AC GHM

Order: 18

Horizontal side: 204 Vertical side: 204

Elements: 8, 10, 8√2, 9√2, 16, 14√2, 16√2, 28, 32, 28√2, 46, 56, 74, 65√2, 102, 74√2, 130, 102√2.

Code: 1305 0 74 1024 102 102 1023 204 102 284 130 74 283 158 74 142 172 88 461 204 102 166 156 72 325 172 56 745 0 0 744 74 0 96 139 65 107 148 74 86 148 64 165 156 56 650 139 65 85 148 56 561 204 56

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)

130
102√2
102
28√2
28
14√2
46
16√2
32
74
74√2
9√2
10
8√2
16
65√2
8
56