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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:128AN1of4 GHM

Order: 19

Horizontal side: 128 Vertical side: 128

Elements: 2√2, 4, 4√2, 6√2, 11, 12, 11√2, 12√2, 20, 22, 20√2, 22√2, 33, 42, 53, 64, 53√2, 75, 64√2.

Code: 755 0 53 644 64 64 643 128 64 114 75 53 113 86 53 122 98 52 421 128 64 537 0 53 530 53 53 331 86 53 123 98 40 62 104 46 20 104 46 40 102 44 41 106 44 222 128 22 207 86 40 206 86 20 223 128 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)

75
64√2
64
11√2
11
12√2
42
53
53√2
33
12
6√2
2√2
4√2
4
22√2
20
20√2
22