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Search: id:A093877
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| A093877 |
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Number of fixed n-celled polyzebras (or zebra-move-connected polyominoes). |
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+0
5
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| 1, 4, 28, 234, 2162, 21272, 218740, 2323730, 25314097, 281299736, 3176220308
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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A polyzebra is a (2,3) leaper. A polyzebra need not be connected in the usual edge-connected sense.
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CROSSREFS
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Cf. A030444.
Sequence in context: A035610 A046904 A030444 this_sequence A112113 A103211 A064340
Adjacent sequences: A093874 A093875 A093876 this_sequence A093878 A093879 A093880
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KEYWORD
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nonn
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AUTHOR
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Guenter Stertenbrink (Sterten(AT)aol.com), May 21, 2004
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EXTENSIONS
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One more term from Joseph S. Myers (jsm(AT)polyomino.org.uk), May 21, 2004
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