%I A039953
%S A039953 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,
%T A039953 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
%N A039953 Triangle of "canonical" optimal Golomb rulers.
%D A039953 CRC Handbook of Combinatorial Designs, 1996, p. 315.
%D A039953 A. Kotzig and P. J. Laufer, Sum triangles of natural numbers having minimum 
               top, Ars. Combin. 21 (1986), 5-13.
%H A039953 Anonymous, <a href="http://members.aol.com/golomb20">In Search Of The 
               Optimal 20, 21 and 22 Mark Golomb Rulers</a>
%H A039953 Distributed.Net, <a href="http://www.distributed.net/ogr">Project OGR</
               a>
%H A039953 L. Miller, <a href="http://www.cuug.ab.ca/~millerl/g3-records.html">Golomb 
               Rulers</a>
%H A039953 B. Rankin, <a href="http://www.ee.duke.edu/~wrankin/golomb/golomb.html">
               Golomb Ruler Calculations</a>
%H A039953 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/
               grtab.html">Golomb ruler table</a>
%H A039953 N. J. A. Sloane, <a href="a3022.gif">First few optimal Golomb rulers</
               a>
%H A039953 D. Vanderschel et al., <a href="http://members.aol.com/golomb20/">In 
               Search Of The Optimal 20, 21 and 22 Mark Golomb Rulers</a>
%H A039953 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               GolombRuler.html">Link to a section of The World of Mathematics.</
               a>
%H A039953 <a href="Sindx_Go.html#Golomb">Index entries for sequences related to 
               Golomb rulers</a>
%e A039953 1; 1 2; 1 3 2; 1 3 5 2; 1 3 6 2 5; 1 3 6 8 5 2; ...
%Y A039953 Cf. A003022, A036501.
%Y A039953 These all start at 1. For rulers starting at 0, see A079283, A079287, 
               A079423, A079425, A079426, A079430, A079433, A079434, A079435, A079454 
               and
%Y A039953 A079467 A079604, A079605, A079606, A079607, A079608, A079625, A079634
%Y A039953 Sequence in context: A002973 A071476 A071499 this_sequence A086414 A098896 
               A108371
%Y A039953 Adjacent sequences: A039950 A039951 A039952 this_sequence A039954 A039955 
               A039956
%K A039953 nonn,tabl,nice
%O A039953 1,3
%A A039953 N. J. A. Sloane (njas(AT)research.att.com).
%E A039953 Corrected by Philip Newton (pne(AT)writeme.com), Feb 06 2002