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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:162AI GHM

Order: 18

Horizontal side: 162 Vertical side: 162

Elements: 2√2, 4, 4√2, 13√2, 14√2, 26, 28, 20√2, 26√2, 27√2, 40, 41, 48, 61, 81, 61√2, 101, 81√2.

Code: 1015 0 61 814 81 81 813 162 81 204 101 61 140 121 81 411 162 81 20 107 67 281 135 67 272 162 40 40 105 65 41 109 65 262 135 39 617 0 61 610 61 61 481 109 61 403 162 0 263 135 13 134 122 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)

101
81√2
81
20√2
14√2
41
2√2
28
27√2
4√2
4
26√2
61
61√2
48
40
26
13√2