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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:196AH GHM

Order: 18

Horizontal side: 196 Vertical side: 196

Elements: 2, 2√2, 13√2, 15√2, 22, 26, 22√2, 32, 28√2, 44, 32√2, 54, 44√2, 76, 98, 76√2, 120, 98√2.

Code: 1205 0 76 984 98 98 983 196 98 224 120 76 223 142 76 265 142 72 541 196 98 767 0 76 760 76 76 324 108 44 323 140 44 27 140 76 26 140 74 152 155 59 134 155 59 280 168 72 444 152 0 443 196 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)

120
98√2
98
22√2
22
26
54
76
76√2
32√2
32
2
2√2
15√2
13√2
28√2
44√2
44