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Primitive Perfect Isosceles Right Triangled Square

Title: _e 18:128AF GHM

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 1, 1√2, 2, 2√2, 4, 4√2, 15, 15√2, 30, 38, 30√2, 45, 53, 38√2, 60, 45√2, 75, 83.

Code: 837 0 128 533 83 75 457 83 128 456 83 83 42 87 79 43 87 75 22 89 77 23 89 75 12 90 76 13 90 75 382 128 38 306 0 45 607 30 75 753 90 0 305 0 15 383 128 0 155 0 0 154 15 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)

83
53
45
45√2
4√2
4
2√2
2
1√2
1
38√2
30√2
60
75
30
38
15
15√2