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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:72BO JDS

Order: 18

Horizontal side: 72 Vertical side: 72

Elements: 2, 2√2, 3, 4, 3√2, 7√2, 11, 10√2, 11√2, 14√2, 20, 22, 24, 28, 22√2, 24√2, 48, 36√2.

Code: 485 0 24 364 36 36 226 50 50 146 36 36 225 50 28 115 50 17 114 61 17 283 72 0 245 0 0 244 24 0 43 48 20 22 50 22 23 50 20 203 44 0 102 54 10 34 47 17 33 50 17 74 54 10

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)

48
36√2
22√2
14√2
22
11
11√2
28
24
24√2
4
2√2
2
20
10√2
3√2
3
7√2