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A059681
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Triangle T(n,k) giving number of fixed 5 X k polyominoes with n cells (n >= 5, 1<=k<=n-4).
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1, 0, 16, 0, 38, 83, 0, 32, 376, 230, 0, 10, 784, 1526, 497, 0, 1, 987, 5154, 2668, 932
(list; graph; refs; listen; history; internal format)
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OFFSET
| 5,3
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REFERENCES
| R. C. Read, Contributions to the cell growth problem, Canad. J. Math., 14 (1962), 1-20.
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EXAMPLE
| 1; 0,16; 0,38,83; 0,32,376,230; ...
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CROSSREFS
| Sequence in context: A070570 A005077 A059060 * A135925 A188784 A123935
Adjacent sequences: A059678 A059679 A059680 * A059682 A059683 A059684
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KEYWORD
| nonn,easy,nice
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Feb 05 2001
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