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Primitive Perfect Isosceles Right Triangled Square

Title: d 15:42AE JDS

Order: 15

Horizontal side: 42 Vertical side: 42

Elements: 4, 5, 4√2, 6, 5√2, 8, 6√2, 11, 8√2, 13, 17, 21, 17√2, 25, 21√2.

Code: 255 0 17 214 21 21 213 42 21 44 25 17 43 29 17 52 34 16 131 42 21 177 0 17 170 17 17 64 23 11 63 29 11 53 34 11 82 42 8 111 34 11 83 42 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)

25
21√2
21
4√2
4
5√2
13
17
17√2
6√2
6
5
8√2
11
8