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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:106AO4of4 GHM

Order: 18

Horizontal side: 106 Vertical side: 106

Elements: 2√2, 4, 3√2, 4√2, 6, 5√2, 8, 8√2, 15√2, 23, 30, 23√2, 38, 30√2, 53, 38√2, 68, 53√2.

Code: 685 0 38 534 53 53 533 106 53 154 68 38 230 83 53 231 106 53 387 0 38 380 38 38 84 46 30 83 54 30 42 58 34 41 58 38 22 60 36 54 63 33 63 60 30 32 63 33 304 76 0 303 106 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)

68
53√2
53
15√2
23√2
23
38
38√2
8√2
8
4√2
4
2√2
5√2
6
3√2
30√2
30