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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:204AE GHM

Order: 18

Horizontal side: 204 Vertical side: 204

Elements: 4, 4√2, 8, 6√2, 8√2, 12√2, 14√2, 26, 28, 21√2, 54, 68, 54√2, 82, 68√2, 75√2, 136, 102√2.

Code: 1365 0 68 1024 102 102 756 129 129 210 129 129 66 102 102 85 108 100 84 116 100 120 124 108 261 150 108 542 204 54 45 108 96 44 112 96 281 136 96 142 150 82 823 150 0 685 0 0 684 68 0 543 204 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)

136
102√2
75√2
21√2
6√2
8
8√2
12√2
26
54√2
4
4√2
28
14√2
82
68
68√2
54