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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:154AU GHM

Order: 19

Horizontal side: 154 Vertical side: 154

Elements: 5√2, 6√2, 9√2, 18, 13√2, 14√2, 18√2, 26, 28, 20√2, 26√2, 37, 40, 31√2, 57, 77, 57√2, 97, 77√2.

Code: 975 0 57 774 77 77 773 154 77 204 97 57 146 103 63 285 117 49 371 154 77 60 103 63 577 0 57 570 57 57 264 83 31 263 109 31 132 122 44 54 122 44 180 127 49 181 145 49 92 154 40 403 154 0 314 114 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)

97
77√2
77
20√2
14√2
28
37
6√2
57
57√2
26√2
26
13√2
5√2
18√2
18
9√2
40
31√2