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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:130AS GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 1√2, 2, 2√2, 3√2, 4√2, 19, 14√2, 19√2, 28, 32, 23√2, 28√2, 42, 46, 42√2, 65, 88, 65√2.

Code: 885 0 42 654 65 65 653 130 65 234 88 42 190 111 65 191 130 65 40 92 46 34 95 43 26 96 44 327 98 46 463 130 0 16 95 43 25 96 42 427 0 42 420 42 42 284 70 14 283 98 14 144 84 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)

88
65√2
65
23√2
19√2
19
4√2
3√2
2√2
32
46
1√2
2
42
42√2
28√2
28
14√2