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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:142AX GHM

Order: 18

Horizontal side: 142 Vertical side: 142

Elements: 2, 2√2, 4, 6, 6√2, 14, 16√2, 29, 32, 23√2, 35, 39, 32√2, 55, 71, 55√2, 87, 71√2.

Code: 875 0 55 714 71 71 713 142 71 164 87 55 26 101 69 45 103 67 391 142 71 143 101 55 25 101 67 62 107 61 61 107 67 355 107 32 293 107 32 557 0 55 550 55 55 234 78 32 324 110 0 323 142 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)

87
71√2
71
16√2
2√2
4
39
14
2
6√2
6
35
29
55
55√2
23√2
32√2
32