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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:248AM GHM

Order: 19

Horizontal side: 248 Vertical side: 248

Elements: 4, 4√2, 12, 12√2, 24, 17√2, 34, 36, 30√2, 36√2, 52, 60, 60√2, 64√2, 94, 77√2, 94√2, 154, 124√2.

Code: 1545 0 94 1244 124 124 646 184 184 603 184 124 525 184 132 42 188 128 41 188 132 362 224 96 361 224 132 127 224 132 120 236 132 343 188 94 304 154 94 247 224 120 606 188 60 945 0 0 944 94 0 176 171 77 770 171 77

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)

154
124√2
64√2
60
52
4√2
4
36√2
36
12
12√2
34
30√2
24
60√2
94
94√2
17√2
77√2