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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:128AY3of4 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 44 86 52 43 90 52 22 92 54 23 92 52 135 92 41 61 92 52 465 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
4√2
4
2√2
2
13
6
46
46√2
5
41√2
9√2