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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:282AA GHM

Order: 18

Horizontal side: 282 Vertical side: 282

Elements: 2, 2√2, 4, 6, 14√2, 28, 28√2, 56, 49√2, 50√2, 84, 90, 94, 98, 92√2, 94√2, 188, 141√2.

Code: 1885 0 94 1414 141 141 926 190 190 496 141 141 502 240 140 563 240 84 282 268 112 283 268 84 142 282 98 983 282 0 945 0 0 944 94 0 43 188 90 22 190 92 23 190 90 903 184 0 67 184 90 847 184 84

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)

188
141√2
92√2
49√2
50√2
56
28√2
28
14√2
98
94
94√2
4
2√2
2
90
6
84