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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:64AN GHM

Order: 18

Horizontal side: 64 Vertical side: 64

Elements: 1√2, 2, 2√2, 3√2, 6, 8, 6√2, 7√2, 8√2, 10√2, 19, 20, 24, 25, 20√2, 24√2, 40, 32√2.

Code: 405 0 24 324 32 32 253 64 39 70 39 39 61 45 39 32 48 36 191 64 39 26 46 34 62 54 30 16 45 33 25 46 32 84 40 24 83 48 24 100 54 30 245 0 0 244 24 0 200 44 20 201 64 20

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)

40
32√2
25
7√2
6
3√2
19
2√2
6√2
1√2
2
8√2
8
10√2
24
24√2
20√2
20