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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:248AI GHM

Order: 19

Horizontal side: 248 Vertical side: 248

Elements: 3√2, 6, 6√2, 9√2, 18, 16√2, 30, 32, 30√2, 38√2, 64, 76, 64√2, 92, 70√2, 108, 92√2, 140, 124√2.

Code: 1405 0 108 1244 124 124 926 156 156 323 156 124 925 156 64 164 140 108 306 126 94 1085 0 0 704 70 38 183 126 76 305 126 64 386 70 38 765 108 0 94 117 67 66 120 70 36 117 67 65 120 64 644 184 0 643 248 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)

140
124√2
92√2
32
92
16√2
30√2
108
70√2
18
30
38√2
76
9√2
6√2
3√2
6
64√2
64