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 A238677 #4 Mar 02 2014 16:16:33 %S A238677 23,79,67,173,487,853,397,1381,881,1061,8713,1187,1091,8581,839,9413, %T A238677 6991,1889,12821,5347,20593,2477,20719,21089,5861,83869,8867,6547, %U A238677 193741,9341,62723,39727,36131,35491,107077,51563,12527,224467,50111,71437,1150309 %N A238677 Fifth prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n. %H A238677 Alois P. Heinz, <a href="/A238677/b238677.txt">Table of n, a(n) for n = 1..100</a> %Y A238677 Row n=5 of A238086. %K A238677 nonn %O A238677 1,1 %A A238677 _Alois P. Heinz_, Mar 02 2014