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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:30AA JDS

Order: 18

Horizontal side: 30 Vertical side: 30

Elements: 1, 1√2, 2√2, 3, 3√2, 5, 6, 7, 5√2, 8, 9, 7√2, 10, 8√2, 10√2, 15, 16, 15√2.

Code: 165 0 14 154 15 15 153 30 15 11 16 15 97 16 15 50 25 15 51 30 15 72 7 7 84 8 6 83 16 6 100 20 10 101 30 10 73 7 0 22 9 5 14 9 5 36 7 3 67 10 6 35 7 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)

16
15√2
15
1
9
5√2
5
7√2
8√2
8
10√2
10
7
2√2
1√2
3√2
6
3