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 A098417 #5 Feb 16 2025 08:32:54 %S A098417 -1,1,-1,1,-1,1,-1,1,1,-1,1,-1,-1,1,1,-1,1,1,-1,-1,1,-1,1,-1,-1,1,1, %T A098417 -1,1,-1,1,-1,-1,1,-1,1,-1,1,-1,1,-1,-1,1,1,1,1,-1,1,1,-1,-1,1,1,-1, %U A098417 -1,1,-1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,-1,1,1,-1,-1,1,-1,-1,-1,1,-1,1,1,-1 %N A098417 A098414(n) - (A007529(n) + A098415(n))/2. %C A098417 (A007529(n),2*A098416(n)+a(n), A098415(n)) is a prime triple (p,q,r) with p<q<r=p+6. %H A098417 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PrimeTriplet.html">Prime Triplet</a> %K A098417 sign %O A098417 1,1 %A A098417 _Reinhard Zumkeller_, Sep 07 2004