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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:248AB GHM

Order: 18

Horizontal side: 248 Vertical side: 248

Elements: 2√2, 4, 4√2, 8, 8√2, 16, 16√2, 30, 32, 31√2, 62, 62√2, 92, 94, 92√2, 93√2, 156, 124√2.

Code: 1565 0 92 1244 124 124 936 155 155 310 155 155 321 156 124 162 172 108 301 186 124 622 248 62 163 172 92 82 180 100 83 180 92 42 184 96 43 184 92 22 186 94 943 186 0 925 0 0 924 92 0 623 248 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)

156
124√2
93√2
31√2
32
16√2
30
62√2
16
8√2
8
4√2
4
2√2
94
92
92√2
62