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A213378 Number of polyominoes of order 2n that can be tiled by dominoes in more than one way. 3
0, 1, 3, 41, 499, 6946, 95964, 1330807, 18395673 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Tilings related by a symmetry of the polyomino that is not a symmetry of the tiling count as distinct (thus, the square tetromino counts as being tiled in two distinct ways).
LINKS
CROSSREFS
Sequence in context: A328509 A087544 A305667 * A189356 A155672 A073844
KEYWORD
hard,more,nonn
AUTHOR
Joseph Myers, Jun 10 2012
STATUS
approved

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)