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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136AM GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 2, 2√2, 4, 3√2, 6, 6√2, 9√2, 16, 18, 17√2, 34, 34√2, 50, 52, 50√2, 51√2, 86, 68√2.

Code: 865 0 50 684 68 68 516 85 85 170 85 85 181 86 68 92 95 59 161 102 68 342 136 34 30 95 59 60 92 56 61 98 56 45 98 52 25 98 50 24 100 50 523 102 0 505 0 0 504 50 0 343 136 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)

86
68√2
51√2
17√2
18
9√2
16
34√2
3√2
6√2
6
4
2
2√2
52
50
50√2
34