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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:64AS GHM

Order: 18

Horizontal side: 64 Vertical side: 64

Elements: 1√2, 2, 2√2, 4, 6, 6√2, 7√2, 12, 14, 10√2, 12√2, 14√2, 20, 18√2, 20√2, 24√2, 30√2, 44.

Code: 447 0 64 106 34 54 207 44 64 206 44 44 300 34 54 43 4 20 22 6 22 244 28 0 66 46 18 127 52 24 126 52 12 23 6 20 12 7 21 70 7 21 67 0 20 180 46 18 147 0 14 140 14 14

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)

44
10√2
20
20√2
30√2
4
2√2
24√2
6√2
12
12√2
2
1√2
7√2
6
18√2
14
14√2