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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:72BR GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 1, 1√2, 2, 3, 3√2, 4√2, 5√2, 8, 10, 8√2, 20, 24, 28, 20√2, 24√2, 26√2, 48, 36√2.

Code: 485 0 24 364 36 36 266 46 46 103 46 36 52 51 41 23 51 39 12 52 40 13 52 39 202 72 20 30 49 39 31 52 39 84 44 28 83 52 28 44 48 24 283 52 0 245 0 0 244 24 0 203 72 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)

48
36√2
26√2
10
5√2
2
1√2
1
20√2
3√2
3
8√2
8
4√2
28
24
24√2
20