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Search: id:A059683
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| A059683 |
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Triangle T(n,k) giving number of 3 X k polyominoes with n cells (n >= 3, 1<=k<=n-2). |
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1
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| 1, 0, 3, 0, 2, 9, 0, 1, 12, 15, 0, 0, 12, 39, 25, 0, 0, 4, 59, 96, 35, 0, 0, 1, 42, 210, 188, 49, 0, 0, 0, 21, 255, 550, 332, 63
(list; table; graph; listen)
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OFFSET
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3,3
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REFERENCES
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R. C. Read, Contributions to the cell growth problem, Canad. J. Math., 14 (1962), 1-20.
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EXAMPLE
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1; 0,3; 0,2,9; 0,1,12,15; ...
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CROSSREFS
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Sequence in context: A126671 A099095 A061980 this_sequence A030208 A126598 A127802
Adjacent sequences: A059680 A059681 A059682 this_sequence A059684 A059685 A059686
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KEYWORD
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nonn,easy,nice,tabl
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Feb 05 2001
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