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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:148AR GHM

Order: 18

Horizontal side: 148 Vertical side: 148

Elements: 2√2, 4, 3√2, 4√2, 6, 6√2, 7√2, 9√2, 11√2, 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 54 116 103 63 347 114 74 376 111 37 90 103 63 545 0 0 544 54 0 76 101 47 42 112 50 41 112 54 22 114 52 66 108 46 470 101 47 65 108 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
11√2
34
37√2
9√2
54
54√2
7√2
4√2
4
2√2
6√2
47√2
6
3√2