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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:76AR GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 1, 5, 5√2, 9, 7√2, 12, 9√2, 14, 12√2, 18, 13√2, 19, 25, 26, 25√2, 38, 51, 38√2.

Code: 515 0 25 384 38 38 383 76 38 134 51 25 120 64 38 121 76 38 13 52 25 52 57 21 51 57 26 197 57 26 263 76 0 257 0 25 250 25 25 181 43 25 92 52 16 91 52 25 143 57 7 74 50 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)

51
38√2
38
13√2
12√2
12
1
5√2
5
19
26
25
25√2
18
9√2
9
14
7√2