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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:128AT1of4 GHM

Order: 19

Horizontal side: 128 Vertical side: 128

Elements: 3, 3√2, 6, 6√2, 9, 9√2, 10√2, 20, 15√2, 20√2, 30, 24√2, 34, 40, 49, 64, 49√2, 79, 64√2.

Code: 795 0 49 644 64 64 643 128 64 154 79 49 240 94 64 341 128 64 497 0 49 490 49 49 64 55 43 63 61 43 95 61 40 94 70 40 34 58 40 33 61 40 401 98 40 202 118 20 201 118 40 102 128 30 303 128 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)

79
64√2
64
15√2
24√2
34
49
49√2
6√2
6
9
9√2
3√2
3
40
20√2
20
10√2
30