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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:256AN GHM

Order: 19

Horizontal side: 256 Vertical side: 256

Elements: 2√2, 4, 4√2, 6√2, 13√2, 26, 20√2, 40, 48, 34√2, 40√2, 68, 60√2, 94, 68√2, 81√2, 94√2, 162, 128√2.

Code: 1625 0 94 1284 128 128 606 196 196 683 196 128 402 236 156 403 236 116 202 256 136 686 188 68 344 162 94 66 190 122 20 190 122 263 188 94 47 188 120 40 192 120 487 188 116 945 0 0 944 94 0 136 175 81 810 175 81

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)

162
128√2
60√2
68
40√2
40
20√2
68√2
34√2
6√2
2√2
26
4
4√2
48
94
94√2
13√2
81√2