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 A201714 #6 Sep 08 2022 08:46:01 %S A201714 11,43,193,281,331,443,571,641,1051,1451,2731,3691,4993,6043,6491, %T A201714 7193,7681,8443,8971,9241,10651,11243,12161,13441,15131,16193,16921, %U A201714 17291,18043,19993,21211,23321,28793,29761,32251,34841,42043,43801 %N A201714 Primes of the form 2n^2 - 7. %H A201714 Vincenzo Librandi, <a href="/A201714/b201714.txt">Table of n, a(n) for n = 1..5000</a> %t A201714 Select[Table[2n^2-7,{n,2,900}],PrimeQ] %o A201714 (Magma) [a: n in [2..300] | IsPrime(a) where a is 2*n^2-7]; %K A201714 nonn,easy %O A201714 1,1 %A A201714 _Vincenzo Librandi_, Dec 04 2011