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Primitive Perfect Isosceles Right Triangled Square

Title: dr 18:142AG4of4 GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 8√2, 12, 9√2, 16, 12√2, 18, 15√2, 16√2, 24, 18√2, 32, 24√2, 47, 59, 71, 83, 59√2, 71√2.

Code: 835 0 59 714 71 71 713 142 71 124 83 59 123 95 59 152 110 56 471 142 71 597 0 59 590 59 59 184 77 41 183 95 41 246 86 32 325 110 24 94 86 32 165 110 8 164 126 8 243 142 0 84 118 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)

83
71√2
71
12√2
12
15√2
47
59
59√2
18√2
18
24√2
32
9√2
16
16√2
24
8√2