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A213376 Number of polyominoes of order 2n that cannot be tiled by dominoes. 6
0, 1, 12, 158, 2428, 37776, 591729, 9260272, 144869916 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
FORMULA
a(n) + A056785(n) = A210996(n). - R. J. Mathar, Jan 30 2023
CROSSREFS
Sequence in context: A003130 A015000 A220225 * A269642 A269411 A347748
KEYWORD
hard,more,nonn
AUTHOR
Joseph Myers, Jun 10 2012
STATUS
approved

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)