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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:126AI1of2 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 74 59 45 46 62 48 87 66 52 26 60 46 45 62 44 16 59 45 25 60 44 441 104 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
7√2
4√2
8
2√2
4
1√2
2
44
22√2
22