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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:162AS4of8 GHM

Order: 19

Horizontal side: 162 Vertical side: 162

Elements: 3√2, 6, 6√2, 12, 9√2, 10√2, 18, 20, 20√2, 21√2, 40, 41, 31√2, 40√2, 61, 81, 61√2, 101, 81√2.

Code: 1015 0 61 814 81 81 813 162 81 204 101 61 203 121 61 102 131 71 411 162 81 310 131 71 617 0 61 610 61 61 181 79 61 125 79 49 214 100 40 65 79 43 64 85 43 90 91 49 34 82 40 404 122 0 403 162 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)

101
81√2
81
20√2
20
10√2
41
31√2
61
61√2
18
12
21√2
6
6√2
9√2
3√2
40√2
40