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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:208AI GHM

Order: 18

Horizontal side: 208 Vertical side: 208

Elements: 1√2, 2, 2√2, 4, 10, 11√2, 14√2, 22, 32, 36, 36√2, 68, 72, 68√2, 72√2, 104, 136, 104√2.

Code: 1365 0 72 1044 104 104 1043 208 104 321 136 104 225 136 82 364 172 68 363 208 68 105 136 72 114 147 71 140 158 82 725 0 0 724 72 0 43 144 68 22 146 70 21 146 72 12 147 71 680 140 68 681 208 68

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
104√2
104
32
22
36√2
36
10
11√2
14√2
72
72√2
4
2√2
2
1√2
68√2
68