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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:146AX GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 3, 8, 8√2, 16, 18, 21, 24, 18√2, 24√2, 36, 37, 27√2, 28√2, 55, 73, 55√2, 91, 73√2.

Code: 915 0 55 734 73 73 733 146 73 184 91 55 183 109 55 215 109 52 371 146 73 557 0 55 550 55 55 274 82 28 33 109 52 240 106 52 241 130 52 165 130 36 85 130 28 84 138 28 363 146 0 284 110 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)

91
73√2
73
18√2
18
21
37
55
55√2
27√2
3
24√2
24
16
8
8√2
36
28√2