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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:154AN GHM

Order: 18

Horizontal side: 154 Vertical side: 154

Elements: 4√2, 8, 6√2, 10, 8√2, 12, 16, 16√2, 17√2, 22√2, 44, 44√2, 66, 72, 55√2, 82, 88, 66√2.

Code: 885 0 66 821 82 154 727 82 154 556 99 99 170 99 99 107 82 82 46 88 78 87 92 82 86 92 74 167 100 82 160 116 82 66 82 72 125 88 66 665 0 0 664 66 0 220 132 66 440 110 44 441 154 44

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)

88
82
72
55√2
17√2
10
4√2
8
8√2
16
16√2
6√2
12
66
66√2
22√2
44√2
44