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Search: id:A039953
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| A039953 |
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Triangle of "canonical" optimal Golomb rulers. |
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+0
3
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| 1, 1, 2, 1, 3, 2, 1, 3, 5, 2, 1, 3, 6, 2, 5, 1, 3, 6, 8, 5, 2, 1, 3, 5, 6, 7, 10, 2, 1, 4, 7, 13, 2, 8, 6, 3, 1, 5, 4, 13, 3, 8, 7, 12, 2, 1, 3, 9, 15, 5, 14, 7, 10, 6, 2, 1, 3, 9, 15, 5, 14, 7, 10, 6, 2
(list; table; graph; listen)
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OFFSET
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1,3
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REFERENCES
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CRC Handbook of Combinatorial Designs, 1996, p. 315.
A. Kotzig and P. J. Laufer, Sum triangles of natural numbers having minimum top, Ars. Combin. 21 (1986), 5-13.
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LINKS
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Anonymous, In Search Of The Optimal 20, 21 and 22 Mark Golomb Rulers
Distributed.Net, Project OGR
L. Miller, Golomb Rulers
B. Rankin, Golomb Ruler Calculations
J. B. Shearer, Golomb ruler table
N. J. A. Sloane, First few optimal Golomb rulers
D. Vanderschel et al., In Search Of The Optimal 20, 21 and 22 Mark Golomb Rulers
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to Golomb rulers
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EXAMPLE
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1; 1 2; 1 3 2; 1 3 5 2; 1 3 6 2 5; 1 3 6 8 5 2; ...
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CROSSREFS
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Cf. A003022, A036501.
These all start at 1. For rulers starting at 0, see A079283, A079287, A079423, A079425, A079426, A079430, A079433, A079434, A079435, A079454 and
A079467 A079604, A079605, A079606, A079607, A079608, A079625, A079634
Sequence in context: A002973 A071476 A071499 this_sequence A086414 A098896 A108371
Adjacent sequences: A039950 A039951 A039952 this_sequence A039954 A039955 A039956
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KEYWORD
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nonn,tabl,nice
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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Corrected by Philip Newton (pne(AT)writeme.com), Feb 06 2002
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