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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120AT JDS

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 3, 4, 4√2, 8, 9, 8√2, 13, 16, 19, 22, 19√2, 38, 44, 38√2, 41√2, 44√2, 76, 60√2.

Code: 765 0 44 604 60 60 416 79 79 193 79 60 225 79 57 161 76 60 82 84 52 31 79 60 91 88 57 137 88 57 190 101 57 83 84 44 42 88 48 43 88 44 445 0 0 444 44 0 380 82 38 381 120 38

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)

76
60√2
41√2
19
22
16
8√2
3
9
13
19√2
8
4√2
4
44
44√2
38√2
38