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 A054818 #9 Feb 21 2014 10:25:42
%S A054818 1873,2543,3463,9623,21493,23021,25247,26113,32191,33413,33941,39107,
%T A054818 40823,41233,44269,47297,48823,55903,57793,67049,70123,74297,74717,
%U A054818 74719,75167,75169,83003,84319,87881,88427,88663,103813,103919
%N A054818 Sixth term of strong prime sextets: p(m-4)-p(m-5) > p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1).
%t A054818 spsQ[lst_List]:=Module[{d=Differences[lst]},d[[1]]>d[[2]]>d[[3]]> d[[4]]> d[[5]]]; [Select[Partition[Prime[Range[10000]],6,1],spsQ]][[6]] (* _Harvey P. Dale_, Jul 04 2011 *)
%Y A054818 Cf. A051634, A054800-A054840.
%K A054818 nonn
%O A054818 0,1
%A A054818 _Henry Bottomley_, Apr 10 2000