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A291809 Number of tilings of n X n square using differently sized polyominoes. 6
1, 2, 35, 6563 (list; graph; refs; listen; history; text; internal format)
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.
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).
Sequence in context: A322514 A132100 A327129 * A182070 A325630 A292702
KEYWORD
nonn,more
AUTHOR
John Mason, Sep 01 2017
STATUS
approved

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Last modified March 3 17:19 EST 2024. Contains 370512 sequences. (Running on oeis4.)