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 A238665 #4 Mar 02 2014 15:07:04 %S A238665 11,47,59,61,67,71,127,131,137,151,157,227,337,347,353,431,467,509, %T A238665 521,557,577,599,613,617,619,631,683,691,701,733,743,773,857,911,983, %U A238665 997,1013,1039,1051,1097,1151,1153,1193,1201,1307,1321,1453,1471,1531,1607 %N A238665 Primes p such that (p+3)^2+3 is prime but (p+j)^2+j is not prime for all 0<j<3. %H A238665 Alois P. Heinz, <a href="/A238665/b238665.txt">Table of n, a(n) for n = 1..10000</a> %Y A238665 Column k=3 of A238086. %K A238665 nonn %O A238665 1,1 %A A238665 _Alois P. Heinz_, Mar 02 2014