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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
Table of n, a(n) for n=1..9.
FORMULA
a(n) + A056785(n) = A210996(n). - R. J. Mathar, Jan 30 2023
CROSSREFS
Cf. A056785, A056786, A213377, A213378.
Sequence in context: A003130 A015000 A220225 * A269642 A269411 A347748
Adjacent sequences: A213373 A213374 A213375 * A213377 A213378 A213379
KEYWORD
hard,more,nonn
AUTHOR
Joseph Myers, Jun 10 2012
STATUS
approved

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Last modified October 5 03:38 EDT 2024. Contains 376530 sequences.
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