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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:146AN GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 7√2, 11√2, 12√2, 24, 18√2, 22√2, 24√2, 36, 29√2, 44, 33√2, 48, 40√2, 58, 44√2, 66, 58√2, 88.

Code: 887 0 146 580 88 146 581 146 146 126 18 76 247 30 88 246 30 64 487 54 88 226 80 66 447 102 88 446 102 44 186 0 58 365 18 40 336 47 33 665 80 0 292 29 29 114 29 29 400 40 40 74 47 33

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
58√2
58
12√2
24
24√2
48
22√2
44
44√2
18√2
36
33√2
66
29√2
11√2
40√2
7√2