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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:414AA GHM

Order: 19

Horizontal side: 414 Vertical side: 414

Elements: 6√2, 12, 14, 12√2, 18, 14√2, 18√2, 28, 36, 42√2, 55√2, 110, 138, 110√2, 166, 138√2, 152√2, 276, 207√2.

Code: 2765 0 138 2074 207 207 1526 262 262 556 207 207 422 304 220 363 304 184 1102 414 110 60 268 184 184 286 166 183 304 166 127 262 178 120 274 178 147 262 166 146 262 152 287 276 166 1663 304 0 1385 0 0 1384 138 0 1103 414 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)

276
207√2
152√2
55√2
42√2
36
110√2
6√2
18√2
18
12
12√2
14
14√2
28
166
138
138√2
110