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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:262AJ GHM

Order: 19

Horizontal side: 262 Vertical side: 262

Elements: 4, 4√2, 8, 6√2, 12, 18, 14√2, 22, 34, 40, 37√2, 40√2, 74, 74√2, 108, 114, 111√2, 114√2, 188.

Code: 1887 0 262 400 188 262 401 228 262 225 228 240 341 262 262 187 228 240 40 246 240 41 250 240 125 250 228 140 242 236 81 250 236 64 256 222 1146 148 114 1116 37 111 1087 148 222 1145 148 0 370 37 111 747 0 74 740 74 74

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
40√2
40
22
34
18
4√2
4
12
14√2
8
6√2
114√2
111√2
108
114
37√2
74
74√2