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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:126AI2of2 GHM

Order: 18

Horizontal side: 126 Vertical side: 126

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 7√2, 11√2, 22, 19√2, 22√2, 41, 44, 52, 63, 52√2, 74, 63√2.

Code: 745 0 52 634 63 63 633 126 63 114 74 52 190 85 63 411 126 63 527 0 52 520 52 52 81 60 52 42 64 48 74 67 45 43 64 44 22 66 46 23 66 44 12 67 45 441 104 44 222 126 22 223 126 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)

74
63√2
63
11√2
19√2
41
52
52√2
8
4√2
7√2
4
2√2
2
1√2
44
22√2
22