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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:50AM2of2 GHM

Order: 18

Horizontal side: 50 Vertical side: 50

Elements: 1√2, 2, 2√2, 4, 4√2, 6, 6√2, 7√2, 8√2, 12, 9√2, 16, 17, 18, 16√2, 17√2, 33, 25√2.

Code: 335 0 17 254 25 25 183 50 32 76 25 25 67 32 32 66 32 26 127 38 32 166 34 16 42 36 22 43 36 18 22 38 20 14 33 17 96 25 9 27 34 18 177 0 17 170 17 17 84 25 9 165 34 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)

33
25√2
18
7√2
6
6√2
12
16√2
4√2
4
2√2
1√2
9√2
2
17
17√2
8√2
16