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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:137AB GHM

Order: 18

Horizontal side: 137 Vertical side: 137

Elements: 1√2, 2, 2√2, 3, 3√2, 6, 16, 16√2, 32, 41, 32√2, 48, 57, 41√2, 64, 48√2, 80, 89.

Code: 897 0 137 573 89 80 487 89 137 486 89 89 65 89 83 35 89 80 34 92 80 10 95 83 20 94 82 21 96 82 412 137 41 326 0 48 647 32 80 803 96 0 325 0 16 413 137 0 165 0 0 164 16 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
57
48
48√2
6
3
3√2
1√2
2√2
2
41√2
32√2
64
80
32
41
16
16√2