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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:238AH GHM

Order: 19

Horizontal side: 238 Vertical side: 238

Elements: 18, 18√2, 28, 20√2, 22√2, 36, 27√2, 28√2, 40, 29√2, 36√2, 56, 42√2, 63, 91, 119, 91√2, 147, 119√2.

Code: 1475 0 91 1194 119 119 1193 238 119 284 147 91 283 175 91 362 211 83 631 238 119 917 0 91 910 91 91 424 133 49 226 153 69 363 211 47 272 238 56 206 133 49 405 153 29 563 238 0 184 193 29 183 211 29 294 182 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)

147
119√2
119
28√2
28
36√2
63
91
91√2
42√2
22√2
36
27√2
20√2
40
56
18√2
18
29√2