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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:248AA GHM

Order: 18

Horizontal side: 248 Vertical side: 248

Elements: 4, 8√2, 16, 16√2, 32, 31√2, 32√2, 58, 62, 64, 66, 58√2, 62√2, 64√2, 120, 128, 93√2, 124√2.

Code: 1285 0 120 1244 124 124 936 155 155 310 155 155 41 128 124 582 186 66 581 186 124 622 248 62 1205 0 0 644 64 56 643 128 56 663 186 0 623 248 0 324 96 24 323 128 24 164 112 8 163 128 8 84 120 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)

128
124√2
93√2
31√2
4
58√2
58
62√2
120
64√2
64
66
62
32√2
32
16√2
16
8√2