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A056785
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Number of polydominoes.
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7
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OFFSET
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1,2
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COMMENTS
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From Vicher's table.
This counts the number of polyominoes of order 2n that can be tiled by dominoes in at least one way. - Joseph Myers, Jun 10 2012
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LINKS
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Table of n, a(n) for n=1..9.
M. Keller, Counting Polyforms
M. Vicher, Polyforms
Index entries for sequences related to dominoes
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CROSSREFS
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Cf. A056786, A213376, A213377, A213378.
Sequence in context: A222454 A099869 A221371 * A188404 A105747 A099692
Adjacent sequences: A056782 A056783 A056784 * A056786 A056787 A056788
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KEYWORD
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hard,more,nonn
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AUTHOR
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James A. Sellers, Aug 28 2000
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EXTENSIONS
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Edited by T. D. Noe, Apr 09 2009
Offset corrected and a(6)-a(9) added by Joseph Myers, Jun 10 2012
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STATUS
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approved
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