A pentaking is a figure formed by joining squares
edge to edge or diagonally corner to corner.
There are 94 pentakings, which include
the 12 pentominoes and their 12 diagonal analogues.
Here are oddities with various symmetries for the remaining 70.
For pentominoes, see Pentomino
| Double Bilateral
| Double Diagonal
Last revised 2019-11-10.
Back to Polyform Oddities
< Polyform Curiosities
Col. George Sicherman