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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:190AJ GHM

Order: 18

Horizontal side: 190 Vertical side: 190

Elements: 4√2, 8, 8√2, 12√2, 16√2, 26, 28, 26√2, 27√2, 28√2, 40, 54, 40√2, 54√2, 82, 81√2, 82√2, 136.

Code: 1367 0 190 280 136 190 281 164 190 262 190 164 261 190 190 826 108 82 816 27 81 402 148 122 401 148 162 85 148 154 84 156 154 126 152 150 162 164 138 44 152 150 825 108 0 270 27 81 547 0 54 540 54 54

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)

136
28√2
28
26√2
26
82√2
81√2
40√2
40
8
8√2
12√2
16√2
4√2
82
27√2
54
54√2