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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136AY GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 1√2, 2, 2√2, 3√2, 6, 6√2, 12, 11√2, 22, 23√2, 34, 46, 34√2, 56, 46√2, 68, 90, 68√2.

Code: 905 0 46 684 68 68 683 136 68 221 90 68 125 90 56 234 113 45 346 102 34 65 90 50 64 96 50 563 102 0 112 113 45 22 92 48 34 93 47 23 92 46 12 93 47 465 0 0 464 46 0 345 102 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)

90
68√2
68
22
12
23√2
34√2
6
6√2
56
11√2
2√2
3√2
2
1√2
46
46√2
34