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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:440AG GHM

Order: 19

Horizontal side: 440 Vertical side: 440

Elements: 22, 22√2, 32, 44, 32√2, 64, 66, 48√2, 62√2, 64√2, 92, 79√2, 128, 154, 158, 141√2, 154√2, 286, 220√2.

Code: 2865 0 154 2204 220 220 1416 299 299 790 299 299 661 286 220 445 286 176 921 378 220 622 440 158 225 286 154 224 308 154 480 330 176 1583 440 0 1545 0 0 1544 154 0 1283 282 0 642 346 64 641 346 128 322 378 96 321 378 128

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)

286
220√2
141√2
79√2
66
44
92
62√2
22
22√2
48√2
158
154
154√2
128
64√2
64
32√2
32