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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138AP1of2 GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 3, 3√2, 6, 6√2, 8√2, 15, 16, 18, 15√2, 16√2, 32, 37, 29√2, 32√2, 53, 69, 53√2, 85, 69√2.

Code: 855 0 53 694 69 69 693 138 69 164 85 53 163 101 53 82 109 61 371 138 69 290 109 61 537 0 53 530 53 53 154 68 38 153 83 38 187 83 53 64 74 32 63 80 32 32 83 35 31 83 38 324 106 0 323 138 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)

85
69√2
69
16√2
16
8√2
37
29√2
53
53√2
15√2
15
18
6√2
6
3√2
3
32√2
32