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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:440AB GHM

Order: 19

Horizontal side: 440 Vertical side: 440

Elements: 16, 16√2, 32, 24√2, 36, 48, 48√2, 74, 55√2, 74√2, 110, 112, 146, 110√2, 128√2, 184, 165√2, 256, 220√2.

Code: 2565 0 184 2204 220 220 1656 275 275 550 275 275 361 256 220 742 330 146 741 330 220 1102 440 110 1845 0 0 1284 128 56 1123 256 72 1463 330 0 1103 440 0 160 144 72 161 160 72 485 160 24 484 208 24 321 160 56 244 184 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)

256
220√2
165√2
55√2
36
74√2
74
110√2
184
128√2
112
146
110
16√2
16
48
48√2
32
24√2