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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:298AA GHM

Order: 19

Horizontal side: 298 Vertical side: 298

Elements: 2, 10√2, 18, 20, 28, 20√2, 21√2, 23√2, 28√2, 42, 56, 42√2, 84, 107, 128, 149, 170, 128√2, 149√2.

Code: 1705 0 128 1494 149 149 1493 298 149 214 170 128 230 191 149 1071 298 149 1287 0 128 1280 128 128 204 148 108 203 168 108 27 168 128 187 168 126 280 186 126 281 214 126 845 214 42 104 158 98 561 214 98 424 256 0 423 298 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)

170
149√2
149
21√2
23√2
107
128
128√2
20√2
20
2
18
28√2
28
84
10√2
56
42√2
42