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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:51AE GHM

Order: 19

Horizontal side: 51 Vertical side: 51

Elements: 1, 1√2, 2, 3, 4, 3√2, 5, 6, 5√2, 6√2, 10, 12, 15, 18, 15√2, 18√2, 21√2, 30, 36.

Code: 367 0 51 303 36 21 152 51 36 151 51 51 186 33 18 60 6 21 61 12 21 187 12 21 210 30 21 34 33 18 105 0 5 121 12 15 55 0 0 54 5 0 16 9 4 25 10 3 43 9 0 15 9 3 37 9 3

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)

36
30
15√2
15
18√2
6√2
6
18
21√2
3√2
10
12
5
5√2
1√2
2
4
1
3