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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:160BQ JDS

Order: 19

Horizontal side: 160 Vertical side: 160

Elements: 1, 1√2, 3, 4, 3√2, 6, 7, 7√2, 13, 20, 20√2, 40, 54, 40√2, 53√2, 54√2, 80, 106, 80√2.

Code: 1065 0 54 804 80 80 803 160 80 204 100 60 203 120 60 407 120 80 406 120 40 61 106 60 32 109 57 74 113 53 73 120 53 33 109 54 45 109 53 545 0 0 544 54 0 10 108 54 11 109 54 530 107 53 131 120 53

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)

106
80√2
80
20√2
20
40
40√2
6
3√2
7√2
7
3
4
54
54√2
1√2
1
53√2
13