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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:74AJ GHM

Order: 18

Horizontal side: 74 Vertical side: 74

Elements: 1√2, 3, 3√2, 6, 8, 9, 7√2, 8√2, 14, 16, 14√2, 20, 23, 30, 37, 30√2, 44, 37√2.

Code: 445 0 30 374 37 37 373 74 37 74 44 30 63 51 31 32 54 34 231 74 37 33 54 31 205 54 14 10 45 31 91 54 31 307 0 30 300 30 30 161 46 30 82 54 22 83 54 14 144 60 0 143 74 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)

44
37√2
37
7√2
6
3√2
23
3
20
1√2
9
30
30√2
16
8√2
8
14√2
14