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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:63AA4of4 GHM

Order: 18

Horizontal side: 63 Vertical side: 63

Elements: 3√2, 5, 6, 5√2, 6√2, 10, 12, 13, 10√2, 15, 19, 16√2, 25, 19√2, 31, 32, 25√2, 38.

Code: 385 0 25 321 32 63 162 48 47 311 63 63 106 38 37 155 48 32 66 32 31 125 38 25 57 48 32 56 48 27 107 53 32 133 63 19 255 0 0 254 25 0 63 50 19 32 53 22 190 44 19 191 63 19

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)

38
32
16√2
31
10√2
15
6√2
12
5
5√2
10
13
25
25√2
6
3√2
19√2
19