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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:124AF GHM

Order: 18

Horizontal side: 124 Vertical side: 124

Elements: 2, 2√2, 4, 4√2, 7, 8, 9, 8√2, 16, 23, 23√2, 39, 46, 39√2, 62, 46√2, 78, 62√2.

Code: 785 0 46 624 62 62 623 124 62 161 78 62 82 86 54 234 101 39 233 124 39 83 86 46 42 90 50 43 90 46 22 92 48 23 92 46 95 92 39 465 0 0 464 46 0 73 92 39 390 85 39 391 124 39

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)

78
62√2
62
16
8√2
23√2
23
8
4√2
4
2√2
2
9
46
46√2
7
39√2
39