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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:137AA GHM

Order: 18

Horizontal side: 137 Vertical side: 137

Elements: 1√2, 2, 2√2, 3√2, 6, 16, 16√2, 32, 27√2, 41, 30√2, 32√2, 48, 41√2, 64, 48√2, 80, 89.

Code: 897 0 137 320 89 137 321 121 137 162 137 121 161 137 137 803 137 41 306 27 75 647 57 105 270 27 75 487 0 48 480 48 48 61 54 48 32 57 45 26 55 43 16 54 42 25 55 41 414 96 0 413 137 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)

89
32√2
32
16√2
16
80
30√2
64
27√2
48
48√2
6
3√2
2√2
1√2
2
41√2
41