A106672 - OEIS

%I #6 Apr 22 2013 00:19:20

%S 0,2,3,10,16,21,25

%N Marks on lexicographically fourth 7-mark optimal Golomb ruler.

%C Golomb ruler: Finite set with property that no difference between any two numbers is repeated and largest number is minimized.

%H J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/grtab.html">Golomb Ruler Table</a>

%H <a href="http://scholar.google.com/scholar?q=golomb+ruler">Google Scholar</a>

%Y Cf. A079287.

%K nonn,fini,full

%O 0,2

%A Garet Sheppard (gar3ts(AT)gmail.com), May 13 2005

%E First, 'lexicographically' seems to be the more correct expression. Second, currently there are two entries claiming to be the lexi(co)graphically third 7-mark optimal Golomb ruler - A106673 and this one here of which I think it is the fourth. - Harald Kucharek, Apr 21 2013