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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136AN GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 2√2, 4, 4√2, 6, 7, 6√2, 11, 12, 18, 25, 25√2, 43, 50, 43√2, 68, 50√2, 86, 68√2.

Code: 865 0 50 684 68 68 683 136 68 181 86 68 125 86 56 254 111 43 253 136 43 65 86 50 64 92 50 20 98 56 40 96 54 41 100 54 115 100 43 505 0 0 504 50 0 73 100 43 430 93 43 431 136 43

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)

86
68√2
68
18
12
25√2
25
6
6√2
2√2
4√2
4
11
50
50√2
7
43√2
43