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 A010899 #12 Jul 08 2025 01:47:57 %S A010899 6,19,36,60 %N A010899 Minimal scope of a (6,n) difference triangle. %D A010899 CRC Handbook of Combinatorial Designs, 1996, p. 315. %H A010899 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/dtsopt.html">Difference Triangle Sets: Known optimal solutions</a>. %H A010899 J. B. Shearer, <a href="http://www.research.ibm.com/people/s/shearer/dtslb.html">Difference Triangle Sets: Discoverers</a> %Y A010899 A row or column of array in A234943. %K A010899 nonn,hard,more %O A010899 1,1 %A A010899 _N. J. A. Sloane_