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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:90AV1of2 GHM

Order: 18

Horizontal side: 90 Vertical side: 90

Elements: 1, 4√2, 5√2, 8, 11, 8√2, 11√2, 16, 12√2, 22, 23, 17√2, 28, 34, 28√2, 45, 62, 45√2.

Code: 625 0 28 454 45 45 453 90 45 174 62 28 223 79 23 112 90 34 111 90 45 343 90 0 287 0 28 280 28 28 124 40 16 40 52 28 54 57 23 80 48 24 81 56 24 15 56 23 237 56 23 161 56 16

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)

62
45√2
45
17√2
22
11√2
11
34
28
28√2
12√2
4√2
5√2
8√2
8
1
23
16