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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:256AB GHM

Order: 19

Horizontal side: 256 Vertical side: 256

Elements: 2, 2√2, 6√2, 22√2, 44, 56, 43√2, 45√2, 56√2, 84, 88, 90, 94, 100, 72√2, 78√2, 112, 84√2, 100√2.

Code: 1005 0 156 1004 100 156 560 200 256 561 256 256 443 144 156 222 166 178 1121 256 200 943 166 84 905 166 88 782 78 78 724 72 84 22 168 86 454 211 43 883 256 0 23 168 84 432 211 43 64 78 78 840 84 84 841 168 84

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)

100
100√2
56√2
56
44
22√2
112
94
90
78√2
72√2
2√2
45√2
88
2
43√2
6√2
84√2
84