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Search: id:A001071
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| A001071 |
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Number of one-sided chessboard polyominoes with n cells.
(Formerly M0173 N0067)
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+0
1
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| 2, 1, 4, 10, 36, 108, 392, 1363, 5000, 18223, 67792, 252938, 952540
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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W. F. Lunnon, personal communication.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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CROSSREFS
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Sequence in context: A134654 A085421 A121198 this_sequence A016544 A134028 A111479
Adjacent sequences: A001068 A001069 A001070 this_sequence A001072 A001073 A001074
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KEYWORD
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hard,nonn,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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