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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104AT GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 3√2, 6, 6√2, 9√2, 16, 18, 16√2, 28, 30, 32, 24√2, 36, 30√2, 44, 32√2, 48, 56, 44√2.

Code: 567 0 104 320 56 104 321 88 104 162 104 88 161 104 104 446 60 44 240 24 72 361 60 72 287 60 72 487 0 48 183 48 30 92 57 39 445 60 0 30 57 39 60 54 36 61 60 36 300 30 30 301 60 30

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)

56
32√2
32
16√2
16
44√2
24√2
36
28
48
18
9√2
44
3√2
6√2
6
30√2
30