Hexiamond Oddities
A polyiamond oddity
is a figure with binary symmetry formed by an odd number of copies of
a polyiamond.
Here are the minimal known oddities for the 12 hexiamonds.
Click on the figures with pink backgrounds to expand them.
See also
Pentiamond, Heptiamond,
and Enneiamond Oddities
and Octiamond Oddities.
Rowwise Bilateral
| Columnwise Bilateral
| Birotary on Edge | Birotary on Vertex
| Double Bilateral on Edge
| Double Bilateral on Vertex
| Sextuple Rotary | Full |
1
| 9
| 11
| 45
| 11
|
| 45
|
|
3
| 1
| 11
| 3
| 11
| 3
| 3
| 3
|
9
| 5
| 7
| 9
| 25
| 9
| 9
| 9
|
3
| 3
| 1
| 5
| 3
| 5
| 9
| 9
|
3
| 3
| 3
| 3
| 7
| 3
| 3
| 3
|
3
| None
| None
| None
| None
| None
| None
| None
|
1
| 1
| None
| 1
| None
| 1
| 1
| 1
|
3
| None
| None
| None
| None
| None
| None
| None
|
5
| 3
| 1
| 9
| 5
| 21
| 43
|
|
3
| 3
| 9
| 3
| 25
| 9
| 3
| 9
|
1
| 1
| 1
| None
| 1
| None
| None
| None
|
1
|
|
|
|
|
| None
| None
|
Holeless Variants
Rowwise Bilateral
Columnwise Bilateral
Birotary on Edge
Birotary on Vertex
Double Bilateral on Vertex
Sextuple Rotary
Full
Last revised 2012-08-28.
Back to Polyform Curiosities.
Col. George Sicherman
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