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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:130AB GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 8√2, 14, 16, 12√2, 14√2, 21, 16√2, 24, 28, 21√2, 32, 28√2, 45, 32√2, 56, 74, 53√2, 65√2.

Code: 747 0 130 320 74 130 321 106 130 162 122 114 241 130 130 163 122 98 82 130 106 536 77 53 140 42 98 141 56 98 212 77 77 211 77 98 457 77 98 280 28 84 281 56 84 126 65 65 650 65 65 567 0 56

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
32√2
32
16√2
24
16
8√2
53√2
14√2
14
21√2
21
45
28√2
28
12√2
65√2
56