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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:160BG JDS

Order: 18

Horizontal side: 160 Vertical side: 160

Elements: 2, 2√2, 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 45 106 56 74 113 53 73 120 53 25 106 54 24 108 54 30 110 56 545 0 0 544 54 0 530 107 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
4
7√2
7
2
2√2
3√2
54
54√2
53√2
13