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A059679
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Triangle T(n,k) giving number of fixed 3 X k polyominoes with n cells (n >= 3, 1<=k<=n-2).
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1, 0, 8, 0, 6, 12, 0, 1, 44, 50, 0, 0, 32, 154, 83, 0, 0, 9, 212, 376, 124, 0, 0, 1, 158, 784, 750, 173, 0, 0, 0, 62, 987, 2133, 1316, 230
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,3
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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; 0,8; 0,6,12; 0,1,44,50; ...
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CROSSREFS
| Sequence in context: A021128 A073235 A091474 * A198559 A154461 A165268
Adjacent sequences: A059676 A059677 A059678 * A059680 A059681 A059682
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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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