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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:34AC GHM

Order: 18

Horizontal side: 34 Vertical side: 34

Elements: 1, 1√2, 2, 2√2, 3, 4, 3√2, 4√2, 6, 8, 9, 7√2, 8√2, 13, 17, 13√2, 21, 17√2.

Code: 215 0 13 174 17 17 173 34 17 44 21 13 10 25 17 91 34 17 20 24 16 21 26 16 82 34 8 13 22 13 47 22 14 76 19 7 137 0 13 130 13 13 61 19 13 32 22 10 31 22 13 83 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)

21
17√2
17
4√2
1√2
9
2√2
2
8√2
1
4
7√2
13
13√2
6
3√2
3
8