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 A028886 #25 Sep 08 2022 08:44:50 %S A028886 17,41,73,113,281,353,433,521,617,953,1217,1361,2017,2393,2593,2801, %T A028886 4217,4481,6553,7561,8273,8641,10193,10601,13217,13681,14153,14633, %U A028886 15121,16633,17681,18217,20441,21017,21601,22193,25913,26561,29921 %N A028886 Primes of the form k^2 - 8. %C A028886 Primes of A028884. Also subsequence of A038873. - _Klaus Purath_, Jan 28 2020 %H A028886 Vincenzo Librandi, <a href="/A028886/b028886.txt">Table of n, a(n) for n = 1..8000</a> %H A028886 Patrick De Geest, <a href="http://www.worldofnumbers.com/consemor.htm">Palindromic Quasipronics of the form n(n+x)</a> %t A028886 Select[Range[3,1000]^2-8,PrimeQ] (* _Vincenzo Librandi_, Dec 01 2011 *) %o A028886 (Magma) [a: n in [3..300] | IsPrime(a) where a is n^2-8]; // _Vincenzo Librandi_, Dec 01 2011 %Y A028886 Cf. A028884, A038873. %K A028886 nonn,easy %O A028886 1,1 %A A028886 _Patrick De Geest_