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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:46AD2of2 JDS

Order: 18

Horizontal side: 46 Vertical side: 46

Elements: 1, 1√2, 2, 3, 3√2, 6, 7, 5√2, 7√2, 8√2, 9√2, 14, 15, 16, 15√2, 23, 31, 23√2.

Code: 315 0 15 234 23 23 233 46 23 84 31 15 143 39 9 72 46 16 71 46 23 163 46 0 157 0 15 150 15 15 61 21 15 32 24 12 54 26 10 33 24 9 25 24 10 15 24 9 14 25 9 94 30 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
23√2
23
8√2
14
7√2
7
16
15
15√2
6
3√2
5√2
3
2
1
1√2
9√2