A291808 Number of tilings of an n X n square using distinct polyominoes.

1, 2, 44, 10066

Offset: 1

Author

John Mason, Sep 01 2017

Keywords

• nonn
• more

Comments

The sequence gives the number of distinct tilings by polyominoes of a square with side n, considering tilings that are formed of distinct polyominoes. As for "free" polyominoes, tilings that are reflections or rotations of each other are not considered distinct.

Links

• John Mason, Example tilings

Crossrefs

Cf. A268416 (polyominoes that will fit in n-sided square), A291806 (polyomino tilings of square), A291807 (symmetric tilings), A291809 (tilings with differently sized polyominoes).