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)

104

octominoes (𝑛 = 8)

343