Catalogue of Unitary Polyiamonds
Introduction
A polyiamond is a figure made of equal equilateral triangles joined
edge to edge.
A unitary polyiamond is one whose edges all have length 1.
See also Catalogue of Unitary
Polyominoes.
Enumeration
| Cells | 1 | 2 | 4 | 5 | 6 | 7
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
|---|
Unitary
Polyiamonds
| 1 | 1 | 1 | 1 | 2 | 2 | 5 | 9 | 25 | 47 | 110 | 216 | 499 |
|---|
Holeless Unitary
Polyiamonds
| 1 | 1 | 1 | 1 | 2 | 2 | 5 | 9 | 25 | 47 | 110 | 213 | 482 |
|---|
1 Cell
2 Cells
4 Cells
5 Cells
6 Cells
7 Cells
8 Cells
9 Cells
10 Cells
11 Cells
Last revised 2014-09-16.
Back to Polyform Catalogues
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Col. George Sicherman
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