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Search: id:A089936
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| A089936 |
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Number of 5 X n matrices with entries {0,1} without adjacent 0's in any row or column. 5th row of A089934. |
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+0
6
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| 13, 99, 827, 6743, 55447, 454385, 3729091, 30584687, 250916131, 2058249165, 16884649135, 138508056265, 1136221529549, 9320704799431, 76460212316453, 627222736888811, 5145271430670385, 42207992410219447, 346243111960194009
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OFFSET
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1,1
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COMMENT
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Row/columns 1 through 7 are A000045, A001333, A051736, A051737, A089936, A089937, A089938.
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REFERENCES
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Reinhardt Euler, The Fibonacci Number of a Grid Graph and a New Class of Integer Sequences, Journal of Integer Sequences, Vol. 8 (2005), Article 05.2.6.
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CROSSREFS
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Cf. A000045, A001333, A051736, A051737, A089934, A089937, A089938.
Sequence in context: A075899 A006976 A034270 this_sequence A075604 A083341 A142297
Adjacent sequences: A089933 A089934 A089935 this_sequence A089937 A089938 A089939
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KEYWORD
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nonn
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AUTHOR
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Marc LeBrun (mlb(AT)well.com), Nov 15 2003
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