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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104BQ GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 1, 1√2, 2, 3√2, 5, 6, 7√2, 8√2, 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 82 76 44 184 86 34 183 104 34 30 76 44 53 73 36 67 73 41 70 79 41 365 0 0 364 36 0 23 72 34 12 73 35 11 73 36 340 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
8√2
18√2
18
3√2
5
6
7√2
36
36√2
2
1√2
1
34√2
34