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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:144AP GHM

Order: 18

Horizontal side: 144 Vertical side: 144

Elements: 1√2, 2, 2√2, 4, 6, 7√2, 14, 17√2, 24√2, 34, 38, 31√2, 34√2, 55, 72, 55√2, 89, 72√2.

Code: 895 0 55 724 72 72 723 144 72 174 89 55 26 104 70 45 106 68 381 144 72 16 103 69 25 104 68 143 103 55 72 110 62 61 110 68 342 144 34 316 79 31 557 0 55 550 55 55 244 79 31 343 144 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)

89
72√2
72
17√2
2√2
4
38
1√2
2
14
7√2
6
34√2
31√2
55
55√2
24√2
34