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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AI GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 16, 16√2, 28, 32, 24√2, 48, 50, 39√2, 48√2, 50√2, 72, 78, 106, 78√2, 112, 128, 117√2, 184, 156√2.

Code: 1845 0 128 1564 156 156 1176 195 195 390 195 195 281 184 156 502 234 106 501 234 156 782 312 78 1285 0 0 1121 112 128 482 160 80 721 184 128 1063 234 0 483 160 32 242 184 56 783 312 0 167 112 32 166 112 16 327 128 32

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)

184
156√2
117√2
39√2
28
50√2
50
78√2
128
112
48√2
72
106
48
24√2
78
16
16√2
32