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 A247265 #10 Dec 10 2014 10:12:54 %S A247265 5189,16402513,467943439,504990803,749554903,857435519,2430292841, %T A247265 4486052489,6659865683,7064402537,7487094793,13947137639,21257639993, %U A247265 30293402521,79101562537,155450410001,169935221843,440301256709,1010752751039,1086948034639 %N A247265 a(n) = r, third of four consecutive primes p,q,r,s with p+q+r+s = A245577(n)^4. %H A247265 Zak Seidov, <a href="/A247265/b247265.txt">Table of n, a(n) for n = 1..1189</a> %Y A247265 Cf. A245577, A247258, A247259, A247266. %K A247265 nonn %O A247265 1,1 %A A247265 _Zak Seidov_, Nov 30 2014