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A291809
Number of tilings of n X n square using differently sized polyominoes.
6
1, 2, 35, 6563
OFFSET
1,2
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.
CROSSREFS
Cf. A268416 (polyominoes that will fit in n-sided square), A291806 (polyomino tilings of square), A291807 (symmetric tilings), A291808 (tilings with distinct polyominoes).
Sequence in context: A322514 A132100 A327129 * A182070 A325630 A292702
KEYWORD
nonn,more
AUTHOR
John Mason, Sep 01 2017
STATUS
approved