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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:148AU1of4 GHM

Order: 18

Horizontal side: 148 Vertical side: 148

Elements: 2, 2√2, 4, 3√2, 4√2, 6, 6√2, 7√2, 20, 20√2, 34, 37√2, 54, 47√2, 74, 54√2, 94, 74√2.

Code: 945 0 54 744 74 74 743 148 74 204 94 54 203 114 54 347 114 74 376 111 37 545 0 0 544 54 0 76 101 47 27 108 54 26 108 52 47 110 54 46 110 50 62 114 46 470 101 47 63 114 40 34 111 37

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)

94
74√2
74
20√2
20
34
37√2
54
54√2
7√2
2
2√2
4
4√2
6√2
47√2
6
3√2