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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:52AQ1of2 GHM

Order: 19

Horizontal side: 52 Vertical side: 52

Elements: 1, 1√2, 2, 2√2, 3, 6, 5√2, 8, 6√2, 7√2, 10, 14, 10√2, 16, 21, 26, 21√2, 31, 26√2.

Code: 315 0 21 264 26 26 263 52 26 54 31 21 26 34 24 62 42 20 161 52 26 33 34 21 25 34 22 15 34 21 14 35 21 83 36 14 217 0 21 210 21 21 74 28 14 63 42 14 102 52 10 141 42 14 103 52 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)

31
26√2
26
5√2
2√2
6√2
16
3
2
1
1√2
8
21
21√2
7√2
6
10√2
14
10