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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AS GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 2, 2√2, 7√2, 12, 9√2, 18, 22, 16√2, 22√2, 44, 56, 56√2, 100, 112, 100√2, 156, 112√2, 200, 156√2.

Code: 2005 0 112 1564 156 156 1563 312 156 441 200 156 222 222 134 564 256 100 563 312 100 223 222 112 185 222 116 22 224 114 94 231 107 160 240 116 23 224 112 72 231 107 1125 0 0 1124 112 0 123 224 100 1000 212 100 1001 312 100

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)

200
156√2
156
44
22√2
56√2
56
22
18
2√2
9√2
16√2
2
7√2
112
112√2
12
100√2
100