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Search: id:A057730
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OFFSET
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1,4
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COMMENT
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Does this include polyominoes with holes? - Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Sep 12 2006. Answer from R. J. Mathar: Yes! See the illustrations in the links.
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LINKS
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Andrew Clarke, Isometric Polyominoes
Andrew Clarke, Picture from Andrew Clarke's page showing the polyominoes of perimeters 4, 6, 8 and 10.
R. J. Mathar, Illustrating perimeter 14
R. J. Mathar, Illustrating perimeter 16
R. J. Mathar, Illustrating perimeter 18
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CROSSREFS
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Cf. A000105, A057753, A002931.
Sequence in context: A018964 A018994 A117850 this_sequence A074432 A137089 A058258
Adjacent sequences: A057727 A057728 A057729 this_sequence A057731 A057732 A057733
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KEYWORD
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nonn,nice,more
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AUTHOR
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njas, Oct 29 2000
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EXTENSIONS
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Additional comments from Barry Cipra (bcipra(AT)rconnect.com), Jun 08 2004
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