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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:46AO GHM

Order: 19

Horizontal side: 46 Vertical side: 46

Elements: 1√2, 2, 2√2, 4, 5, 4√2, 7, 5√2, 8, 6√2, 7√2, 10, 13, 10√2, 18, 23, 18√2, 28, 23√2.

Code: 285 0 18 234 23 23 233 46 23 54 28 18 53 33 18 62 39 17 131 46 23 187 0 18 180 18 18 81 26 18 42 30 14 71 33 18 70 39 17 43 30 10 22 32 12 23 32 10 12 33 11 104 36 0 103 46 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)

28
23√2
23
5√2
5
6√2
13
18
18√2
8
4√2
7
7√2
4
2√2
2
1√2
10√2
10