This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A078106 #23 Mar 07 2023 10:35:36 %S A078106 0,0,0,1,2,4,6,8,10,17,19,28,36,46,57,63,63,75,93,123,125,119,149,180, %T A078106 167,202,207 %N A078106 a(n) = A003022(n) - A000217(n-1). %C A078106 Previous name was: Number of distances not measured by the shortest Golomb ruler with n marks (i.e., length of shortest Golomb ruler with n marks minus number of distances measured by that ruler). %D A078106 J. C. P Miller, Difference bases. Three problems in additive number theory. Computers in number theory (Proc. Sci. Res. Council Atlas Sympos. No. 2, Oxford, 1969), pp. 299-322. Academic Press, London, 1971. MR0316269 (47 #4817) - From _N. J. A. Sloane_, Jun 05 2012 %D A078106 Rhys Price Jones, Gracelessness, Proc. 10th S.-E. Conf. Combin., Graph Theory and Computing, 1979, pp. 547-552. - From _N. J. A. Sloane_, Jun 05 2012 %H A078106 <a href="/index/Go#Golomb">Index entries for sequences related to Golomb rulers</a> %F A078106 a(n) = A003022(n) - A000217(n-1). %Y A078106 Cf. A000217, A003022, A106683. %K A078106 nonn %O A078106 2,5 %A A078106 Michael Gilleland, Nov 24 2002 %E A078106 Made consistent with A003022 by _Peter Munn_, Jul 23 2019 %E A078106 a(24)-a(28) computed using A003022 by _Floris P. van Doorn_, Mar 06 2023