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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:196AV2of4 GHM

Order: 19

Horizontal side: 196 Vertical side: 196

Elements: 2, 2√2, 4, 4√2, 6, 6√2, 7√2, 14, 20, 17√2, 27√2, 34√2, 54, 74, 54√2, 71√2, 108, 88√2, 142.

Code: 1427 0 196 1083 142 88 542 196 142 541 196 196 716 125 71 346 0 54 747 34 88 880 108 88 174 125 71 272 27 27 70 27 27 203 20 0 45 20 16 44 24 16 60 28 20 61 34 20 25 20 14 24 22 14 147 20 14

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)

142
108
54√2
54
71√2
34√2
74
88√2
17√2
27√2
7√2
20
4
4√2
6√2
6
2
2√2
14