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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:212BC GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 2√2, 4, 4√2, 5√2, 6√2, 10, 10√2, 18, 15√2, 30, 38, 38√2, 68, 76, 68√2, 106, 76√2, 136, 106√2.

Code: 1365 0 76 1064 106 106 1063 212 106 301 136 106 152 151 91 384 174 68 383 212 68 50 151 91 100 146 86 101 156 86 185 156 68 765 0 0 764 76 0 26 150 74 47 152 76 46 152 72 60 150 74 680 144 68 681 212 68

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)

136
106√2
106
30
15√2
38√2
38
5√2
10√2
10
18
76
76√2
2√2
4
4√2
6√2
68√2
68