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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104BA GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 1√2, 6√2, 7√2, 10, 12, 13, 14, 10√2, 20, 15√2, 27, 20√2, 32, 42, 52, 42√2, 62, 52√2.

Code: 625 0 42 524 52 52 523 104 52 104 62 42 103 72 42 125 72 40 321 104 52 427 0 42 420 42 42 154 57 27 16 71 41 143 71 27 72 78 34 64 78 34 133 84 27 202 104 20 271 84 27 203 104 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)

62
52√2
52
10√2
10
12
32
42
42√2
15√2
1√2
14
7√2
6√2
13
20√2
27
20