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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:274AA GHM

Order: 18

Horizontal side: 274 Vertical side: 274

Elements: 5√2, 22, 24, 32, 24√2, 32√2, 48, 36√2, 64, 48√2, 72, 54√2, 96, 72√2, 108, 130, 125√2, 202.

Code: 2027 0 274 480 202 274 481 250 274 242 274 250 241 274 274 1256 149 125 643 154 162 967 154 226 540 90 162 324 122 130 323 154 130 221 144 130 1305 144 0 54 149 125 360 36 108 1081 144 108 727 0 72 720 72 72

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)

202
48√2
48
24√2
24
125√2
64
96
54√2
32√2
32
22
130
5√2
36√2
108
72
72√2