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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:256AW GHM

Order: 19

Horizontal side: 256 Vertical side: 256

Elements: 3√2, 6, 6√2, 10, 9√2, 10√2, 16, 18, 18√2, 36, 46, 46√2, 82, 92, 82√2, 128, 92√2, 164, 128√2.

Code: 1645 0 92 1284 128 128 1283 256 128 361 164 128 182 182 110 464 210 82 463 256 82 183 182 92 92 191 101 30 191 101 60 188 98 61 194 98 165 194 82 925 0 0 924 92 0 100 184 92 101 194 92 820 174 82 821 256 82

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)

164
128√2
128
36
18√2
46√2
46
18
9√2
3√2
6√2
6
16
92
92√2
10√2
10
82√2
82