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 A201688 #10 Oct 30 2018 10:31:02
%S A201688 43,67,139,307,379,547,859,1699,1867,3499,3739,4507,5059,5347,6907,
%T A201688 10627,11467,18787,29947,32059,32779,39619,49747,57139,58099,66067,
%U A201688 72379,73459,78979,80107,96739,97987,109579,120427,134707,151339,157627,187507,218107
%N A201688 Primes of the form p^2 + 18, where p is prime.
%C A201688 All terms = 3 mod 8.
%C A201688 Corresponding p's: 5, 7, 11, 17, 19, 23, 29, 41, 43, 59, 61, 67, 71, 73, 83, 103, 107, 137, 173, 179, 181, 199, 223, 239, 241, 257, 269, 271, 281, 283, 311, 313, 331, 347, 367, 389, 397, 433, 467, 479, 509. From these, 43, 67, 1699, 3499, 4507, 5059 are themselves of form prime^2+18.
%H A201688 Vincenzo Librandi, <a href="/A201688/b201688.txt">Table of n, a(n) for n = 1..5000</a>
%t A201688 Select[Table[Prime[x]^2+18, {x,100}], PrimeQ]
%Y A201688 Cf. A154777, A201613.
%K A201688 nonn
%O A201688 1,1
%A A201688 _Zak Seidov_, Dec 03 2011