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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:130AT GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 4√2, 6√2, 12, 12√2, 18, 13√2, 24, 17√2, 24√2, 34, 42, 30√2, 46, 42√2, 60, 46√2, 66, 88.

Code: 887 0 130 343 88 96 427 88 130 426 88 88 300 54 96 174 71 79 46 84 92 136 71 79 462 130 46 246 0 42 607 24 66 663 84 0 463 130 0 245 0 18 185 0 0 124 12 6 123 24 6 64 18 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)

88
34
42
42√2
30√2
17√2
4√2
13√2
46√2
24√2
60
66
46
24
18
12√2
12
6√2