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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:197AA GHM

Order: 19

Horizontal side: 197 Vertical side: 197

Elements: 2√2, 4, 4√2, 6, 6√2, 12, 9√2, 14√2, 16√2, 23, 32, 32√2, 55, 55√2, 78, 71√2, 110, 87√2, 142.

Code: 1427 0 197 1103 142 87 552 197 142 551 197 197 716 126 71 326 0 55 787 32 87 870 110 87 164 126 71 325 0 23 235 0 0 144 14 9 26 26 21 47 28 23 46 28 19 123 26 9 62 32 15 63 32 9 94 23 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)

142
110
55√2
55
71√2
32√2
78
87√2
16√2
32
23
14√2
2√2
4
4√2
12
6√2
6
9√2