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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:142CF GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 2, 5√2, 7√2, 14, 16, 12√2, 16√2, 24, 26, 21√2, 34, 42, 34√2, 58, 42√2, 58√2, 63√2, 100.

Code: 1007 0 142 216 79 121 427 100 142 426 100 100 630 79 121 166 0 42 345 16 24 344 50 24 580 84 58 581 142 58 165 0 26 265 0 0 141 14 26 72 21 19 21 16 26 54 21 19 126 14 12 247 26 24

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)

100
21√2
42
42√2
63√2
16√2
34
34√2
58√2
58
16
26
14
7√2
2
5√2
12√2
24