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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:64AB1of2 GHM

Order: 18

Horizontal side: 64 Vertical side: 64

Elements: 1√2, 2, 4√2, 8, 6√2, 8√2, 12, 16, 12√2, 18, 15√2, 24, 18√2, 28, 20√2, 30, 24√2, 28√2.

Code: 305 0 34 244 24 40 120 48 64 84 56 56 83 64 56 44 60 52 286 36 28 123 36 40 247 36 52 64 30 34 206 16 20 165 0 18 154 15 19 285 36 0 16 15 19 25 16 18 187 0 18 180 18 18

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)

30
24√2
12√2
8√2
8
4√2
28√2
12
24
6√2
20√2
16
15√2
28
1√2
2
18
18√2