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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:76AO2of2 GHM

Order: 18

Horizontal side: 76 Vertical side: 76

Elements: 1, 2, 2√2, 4, 4√2, 6, 9, 10, 9√2, 10√2, 19, 19√2, 28, 29, 38, 28√2, 48, 38√2.

Code: 485 0 28 384 38 38 383 76 38 104 48 28 63 58 32 95 58 29 94 67 29 196 57 19 40 52 32 41 56 32 22 58 30 21 58 32 13 58 29 293 57 0 107 57 29 285 0 0 284 28 0 195 57 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)

48
38√2
38
10√2
6
9
9√2
19√2
4√2
4
2√2
2
1
29
10
28
28√2
19