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Search: id:A051657
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| A051657 |
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Experimental values for number of equal circles that are packed into a square for which the density of the packing is strictly increasing. |
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+0
5
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OFFSET
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1,2
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REFERENCES
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H. T. Croft, K. J. Falconer and R. K. Guy: Unsolved problems in geometry, Springer, New York, 1991.
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LINKS
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D. Boll, Optimal Packing Of Circles And Spheres
E. Friedman, Erich's Packing Center
C. D. Maranas, C. A. Floudas and P. M. Pardalos, New results in the packing of equal circles in a square, Discrete Mathematics 142 (1995), p. 287-293.
K. J. Nurmela and P. R. J. Ostergard, Packing up to 50 equal circles in a square, Discrete Comput. Geom. 18 (1997) 1, p. 111-120.
E. Specht, www.packomania.com
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CROSSREFS
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Sequence in context: A114840 A109426 A167325 this_sequence A130038 A001995 A004433
Adjacent sequences: A051654 A051655 A051656 this_sequence A051658 A051659 A051660
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KEYWORD
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nonn
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AUTHOR
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Eckard Specht (eckard.specht(AT)physik.uni-magdeburg.de)
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EXTENSIONS
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I do not know how many of these values have been rigorously proved - N. J. A. Sloane (njas(AT)research.att.com).
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