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 A076194 #19 Sep 16 2018 04:37:44 %S A076194 3,7,17,19,31,43,51,163,215,269,297,457,599,633,795,999,1027,1261, %T A076194 2567,14315,39505,44725 %N A076194 Numbers k such that k!! + 2^7 is prime. %C A076194 a(23) > 50000. - _Robert Price_, Mar 09 2015 %H A076194 The OpenPFGW Project, <a href="http://www.primeform.net/openpfgw/">Primality Tester</a> %Y A076194 Cf. A006882, A080778 and A076185, A076186, A076188, A076189, A076190, A076193, A076195, A076196, A076197 for other values of s in n!! + 2^s. %K A076194 nonn,more %O A076194 1,1 %A A076194 _Zak Seidov_, Nov 02 2002 %E A076194 Edited and extended (n < 4096) by _Hugo Pfoertner_, Jun 19 2003 %E A076194 a(20) from _Robert Price_, Feb 04 2013 %E A076194 a(21)-a(22) from _Robert Price_, Mar 09 2015