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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:36AI GHM

Order: 18

Horizontal side: 36 Vertical side: 36

Elements: 1, 1√2, 2, 2√2, 4, 3√2, 5, 4√2, 6, 8, 7√2, 10, 12, 14, 18, 14√2, 22, 18√2.

Code: 225 0 14 184 18 18 183 36 18 44 22 14 43 26 14 72 33 11 101 36 18 147 0 14 140 14 14 121 26 14 63 33 5 32 36 8 83 36 0 10 27 5 11 28 5 57 28 5 27 26 4 26 26 2

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)

22
18√2
18
4√2
4
7√2
10
14
14√2
12
6
3√2
8
1√2
1
5
2
2√2