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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:191AB GHM

Order: 19

Horizontal side: 191 Vertical side: 191

Elements: 1√2, 2, 2√2, 4, 4√2, 7√2, 22, 22√2, 44, 40√2, 41√2, 59, 44√2, 66, 59√2, 88, 66√2, 110, 125.

Code: 1257 0 191 440 125 191 441 169 191 222 191 169 221 191 191 1103 191 59 416 40 106 887 81 147 400 40 106 667 0 66 660 66 66 74 73 59 10 80 66 20 79 65 21 81 65 40 77 63 41 81 63 594 132 0 593 191 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)

125
44√2
44
22√2
22
110
41√2
88
40√2
66
66√2
7√2
1√2
2√2
2
4√2
4
59√2
59