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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:256AH GHM

Order: 19

Horizontal side: 256 Vertical side: 256

Elements: 2√2, 12, 12√2, 24, 18√2, 22√2, 40, 31√2, 44, 62, 44√2, 84, 62√2, 88, 110, 79√2, 84√2, 146, 128√2.

Code: 1465 0 110 1284 128 128 883 256 168 226 146 146 445 168 124 444 212 124 846 172 84 186 128 128 245 146 122 24 170 122 626 110 62 407 172 124 125 146 110 124 158 110 1105 0 0 794 79 31 845 172 0 316 79 31 625 110 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)

146
128√2
88
22√2
44
44√2
84√2
18√2
24
2√2
62√2
40
12
12√2
110
79√2
84
31√2
62