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 A238675 #4 Mar 02 2014 15:51:04 %S A238675 13,37,59,113,409,563,359,541,233,281,3229,947,827,5431,677,3719,5521, %T A238675 1811,7283,3709,16963,2087,9001,20161,3947,49009,7057,3797,169063, %U A238675 6803,52253,36097,31481,27733,71167,34019,6827,93481,41849,46727,486433,26417,23417 %N A238675 Third prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n. %H A238675 Alois P. Heinz, <a href="/A238675/b238675.txt">Table of n, a(n) for n = 1..100</a> %Y A238675 Row n=3 of A238086. %K A238675 nonn %O A238675 1,1 %A A238675 _Alois P. Heinz_, Mar 02 2014