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Primitive Perfect Isosceles Right Triangled Square

Title: dr 18:146AV1of4 GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 8, 8√2, 9√2, 16, 12√2, 18, 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 92 118 64 371 146 73 86 110 56 165 118 48 286 82 28 85 110 48 557 0 55 550 55 55 274 82 28 242 134 24 241 134 48 122 146 36 363 146 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
9√2
37
8√2
16
28√2
8
55
55√2
27√2
24√2
24
12√2
36