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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:98BK JDS

Order: 18

Horizontal side: 98 Vertical side: 98

Elements: 2, 2√2, 7√2, 12, 9√2, 16, 12√2, 18, 14√2, 22, 28, 22√2, 28√2, 40, 42, 44, 42√2, 70.

Code: 707 0 98 146 56 84 287 70 98 286 70 70 443 56 40 422 98 42 423 98 0 126 0 28 225 12 18 224 34 18 403 56 0 125 0 16 25 12 16 24 14 16 96 7 9 187 16 18 165 0 0 74 7 9

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)

70
14√2
28
28√2
44
42√2
42
12√2
22
22√2
40
12
2
2√2
9√2
18
16
7√2