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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:154BB GHM

Order: 19

Horizontal side: 154 Vertical side: 154

Elements: 2√2, 4, 4√2, 6, 8, 8√2, 22, 19√2, 22√2, 33, 25√2, 38, 44, 36√2, 55, 77, 55√2, 99, 77√2.

Code: 995 0 55 774 77 77 773 154 77 224 99 55 223 121 55 82 129 69 331 154 77 83 129 61 252 154 44 65 121 55 44 125 57 43 129 57 24 127 55 383 129 19 557 0 55 550 55 55 364 91 19 443 154 0 194 110 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)

99
77√2
77
22√2
22
8√2
33
8
25√2
6
4√2
4
2√2
38
55
55√2
36√2
44
19√2