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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:144BU GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 2√2, 4, 4√2, 6√2, 8√2, 10√2, 18, 20, 15√2, 38, 48, 38√2, 58, 48√2, 68, 53√2, 76, 96.

Code: 965 0 48 761 76 144 687 76 144 536 91 91 150 91 91 42 80 72 64 82 70 80 88 76 181 106 76 382 144 38 43 80 68 22 82 70 201 96 68 102 106 58 583 106 0 485 0 0 484 48 0 383 144 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)

96
76
68
53√2
15√2
4√2
6√2
8√2
18
38√2
4
2√2
20
10√2
58
48
48√2
38