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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:128AJ JDS

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 1, 2√2, 4, 4√2, 6√2, 12, 11√2, 20, 21, 22, 21√2, 42, 44, 42√2, 43√2, 44√2, 84, 64√2.

Code: 845 0 44 644 64 64 436 85 85 213 85 64 225 85 63 201 84 64 125 84 52 11 85 64 114 96 52 210 107 63 42 88 48 64 90 46 43 88 44 22 90 46 445 0 0 444 44 0 420 86 42 421 128 42

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)

84
64√2
43√2
21
22
20
12
1
11√2
21√2
4√2
6√2
4
2√2
44
44√2
42√2
42