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 A201607 #6 Sep 08 2022 08:46:01
%S A201607 13,181,349,853,2029,3709,6733,8581,24373,26053,29581,37309,50581,
%T A201607 57973,71413,80149,92581,99133,112909,123829,155413,195229,199933,
%U A201607 214381,277213,294181,311653,323581,329629,399853,406573,427069,491581
%N A201607 Primes of the form 7n^2 + 6.
%H A201607 Vincenzo Librandi, <a href="/A201607/b201607.txt">Table of n, a(n) for n = 1..5000</a>
%t A201607 Select[Table[7n^2+6,{n,0,1000}],PrimeQ]
%o A201607 (Magma) [a: n in [0..700] | IsPrime(a) where a is 7*n^2+6];
%K A201607 nonn,easy
%O A201607 1,1
%A A201607 _Vincenzo Librandi_, Dec 03 2011