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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:252AC1of4 GHM

Order: 19

Horizontal side: 252 Vertical side: 252

Elements: 2, 2√2, 4, 4√2, 6, 6√2, 7√2, 13√2, 20√2, 40, 40√2, 66, 80, 86, 106, 126, 146, 106√2, 126√2.

Code: 1465 0 106 1264 126 126 1263 252 126 204 146 106 76 159 119 42 170 122 861 252 126 43 170 118 22 172 120 23 172 118 805 172 40 130 159 119 67 166 118 66 166 112 1067 0 106 1060 106 106 661 172 106 404 212 0 403 252 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)

146
126√2
126
20√2
7√2
4√2
86
4
2√2
2
80
13√2
6
6√2
106
106√2
66
40√2
40