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 A054817 #3 Mar 30 2012 18:51:25 %S A054817 1871,2539,3461,9619,21491,23017,25243,26111,32189,33409,33937,39103, %T A054817 40819,41231,44267,47293,48821,55901,57791,67043,70121,74293,74713, %U A054817 74717,75161,75167,82997,84317,87877,88423,88661,103811,103913 %N A054817 Fifth term of strong prime sextets: p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m). %Y A054817 Cf. A051634, A054800-A054840. %K A054817 nonn %O A054817 0,1 %A A054817 _Henry Bottomley_, Apr 10 2000