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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104BG GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 1, 2√2, 4, 4√2, 6√2, 12, 11√2, 20, 21, 22, 20√2, 30, 22√2, 41, 52, 41√2, 63, 52√2.

Code: 635 0 41 524 52 52 523 104 52 114 63 41 123 74 40 62 80 46 301 104 52 20 80 46 40 78 44 41 82 44 222 104 22 417 0 41 410 41 41 211 62 41 17 62 41 207 62 40 206 62 20 223 104 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)

63
52√2
52
11√2
12
6√2
30
2√2
4√2
4
22√2
41
41√2
21
1
20
20√2
22