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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:105AI GHM

Order: 19

Horizontal side: 105 Vertical side: 105

Elements: 1, 1√2, 4√2, 5√2, 6√2, 10, 12, 9√2, 12√2, 18, 19, 25, 31, 25√2, 31√2, 37√2, 43√2, 62, 74.

Code: 747 0 105 623 74 43 312 105 74 311 105 105 376 68 37 126 0 31 255 12 18 254 37 18 430 62 43 64 68 37 125 0 19 195 0 0 101 10 19 52 15 14 14 11 18 13 12 18 44 15 14 96 10 9 187 19 18

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)

74
62
31√2
31
37√2
12√2
25
25√2
43√2
6√2
12
19
10
5√2
1√2
1
4√2
9√2
18