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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:218AB GHM

Order: 18

Horizontal side: 218 Vertical side: 218

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

Code: 1567 0 218 320 156 218 321 188 218 162 204 202 301 218 218 163 204 186 82 212 194 83 212 186 42 216 190 43 216 186 22 218 188 946 124 94 936 31 93 927 124 186 945 124 0 310 31 93 627 0 62 620 62 62

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