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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:76AP GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 2, 2√2, 3, 4, 5, 4√2, 8, 11, 8√2, 11√2, 19, 19√2, 27, 30, 38, 27√2, 49, 38√2.

Code: 495 0 27 384 38 38 383 76 38 114 49 27 46 56 34 85 60 30 84 68 30 196 57 19 26 54 32 45 56 30 53 54 27 25 54 30 37 54 30 303 57 0 117 57 30 275 0 0 274 27 0 195 57 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)

49
38√2
38
11√2
4√2
8
8√2
19√2
2√2
4
5
2
3
30
11
27
27√2
19