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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:130AX GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 2√2, 4, 4√2, 8, 10, 10√2, 13√2, 20, 22, 26, 30, 24√2, 26√2, 48, 39√2, 54√2, 78, 104.

Code: 1047 0 130 136 91 117 267 104 130 266 104 104 390 91 117 483 52 30 242 76 54 781 130 78 540 76 54 46 0 26 87 4 30 100 12 30 101 22 30 307 22 30 45 0 22 225 0 0 24 2 20 201 22 20

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)

104
13√2
26
26√2
39√2
48
24√2
78
54√2
4√2
8
10√2
10
30
4
22
2√2
20