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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:142AB GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 17√2, 20√2, 24√2, 34, 40, 32√2, 48, 34√2, 36√2, 70, 51√2, 74, 71√2.

Code: 745 0 68 714 71 71 703 142 72 16 71 71 27 72 72 26 72 70 47 74 72 240 78 72 324 110 40 366 106 36 342 34 34 341 34 68 172 51 51 204 54 48 510 51 51 481 102 48 85 102 40 405 102 0 44 106 36

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)

74
71√2
70
1√2
2
2√2
4
24√2
32√2
36√2
34√2
34
17√2
20√2
51√2
48
8
40
4√2