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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:196AY GHM

Order: 19

Horizontal side: 196 Vertical side: 196

Elements: 2, 2√2, 4, 4√2, 6√2, 7√2, 14, 13√2, 20, 17√2, 34, 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 71 345 0 20 205 0 0 134 13 7 60 26 20 44 30 16 43 34 16 24 32 14 23 34 14 76 13 7 147 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
34
20
13√2
6√2
4√2
4
2√2
2
7√2
14