A291809 Number of tilings of n X n square using differently sized polyominoes.

1, 2, 35, 6563

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 by polyominoes of all different sizes. As for "free" polyominoes, tilings that are reflections or rotations of each other are not considered distinct.

Links

• John Mason, Tiling examples

Crossrefs

Cf. A268416 (polyominoes that will fit in n-sided square), A291806 (polyomino tilings of square), A291807 (symmetric tilings), A291808 (tilings with distinct polyominoes).