The labyrinth of
polyominoes
intro
catalog
symmetry
classes
packing
tiling
genealogy
glossary
links
Show Filters
Symmetries
clear
Classes
clear
Holes
clear
has hole
no holes
Tiling
clear
has tiling
no tiling
Balance
clear
balanced
unbalanced
monomino
(𝑛 = 1)
1
domino
(𝑛 = 2)
1
trominoes
(𝑛 = 3)
2
tetrominoes
(𝑛 = 4)
5
pentominoes
(𝑛 = 5)
12
hexominoes
(𝑛 = 6)
35
heptominoes
(𝑛 = 7)
108
octominoes
(𝑛 = 8)
369
Catalog
Size
7 (heptomino)
Dimensions
2 × 5
Perimeter
16
Symmetry
reflective (axis)
Class
bar chart
Tiling
——
Parents
Children