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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:144AR GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 2, 2√2, 3√2, 6, 10, 10√2, 16, 20, 18√2, 36, 36√2, 52, 56, 52√2, 54√2, 92, 72√2.

Code: 925 0 52 724 72 72 546 90 90 180 90 90 201 92 72 102 102 62 161 108 72 362 144 36 103 102 52 65 102 56 22 104 54 34 105 53 563 108 0 23 104 52 12 105 53 525 0 0 524 52 0 363 144 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)

92
72√2
54√2
18√2
20
10√2
16
36√2
10
6
2√2
3√2
56
2
1√2
52
52√2
36