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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:72BT GHM

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 1√2, 2, 5√2, 8, 9, 10, 11, 10√2, 11√2, 18, 22, 23, 24, 26, 23√2, 24√2, 48, 49.

Code: 495 0 23 481 48 72 242 72 48 241 72 72 223 72 26 23 50 24 115 50 15 114 61 15 263 72 0 14 49 23 93 50 15 237 0 23 230 23 23 181 41 23 87 41 23 105 41 5 104 51 5 54 46 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)

49
48
24√2
24
22
2
11
11√2
26
1√2
9
23
23√2
18
8
10
10√2
5√2