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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104BT GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 1√2, 2, 2√2, 3√2, 5, 6, 7√2, 11, 16, 18, 18√2, 34, 36, 34√2, 36√2, 52, 68, 52√2.

Code: 685 0 36 524 52 52 523 104 52 161 68 52 115 68 41 184 86 34 183 104 34 57 68 41 36 70 38 67 73 41 70 79 41 20 70 38 365 0 0 364 36 0 23 72 34 12 73 35 340 70 34 341 104 34

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)

68
52√2
52
16
11
18√2
18
5
3√2
6
7√2
2√2
36
36√2
2
1√2
34√2
34