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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:128AY4of4 GHM

Order: 19

Horizontal side: 128 Vertical side: 128

Elements: 2, 2√2, 4, 5, 4√2, 6, 8, 10, 9√2, 13, 18, 23√2, 32√2, 46, 41√2, 64, 46√2, 82, 64√2.

Code: 825 0 46 644 64 64 643 128 64 181 82 64 85 82 56 234 105 41 326 96 32 105 82 46 61 88 56 27 88 56 20 90 56 47 88 54 46 88 50 135 92 41 465 0 0 464 46 0 53 92 41 410 87 41 94 96 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)

82
64√2
64
18
8
23√2
32√2
10
6
2
2√2
4
4√2
13
46
46√2
5
41√2
9√2