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 A155780 #11 Jul 22 2025 06:19:50 %S A155780 3,5,7,23,29,31,71,1301,4937,6959,47093,74167,345547 %N A155780 Primes p such that 2^p+11 is a prime. %C A155780 a(14) > 5*10^5. - _Robert Price_, Sep 18 2015 %F A155780 A102633 INTERSECT A000040. [_R. J. Mathar_, Feb 19 2009] %K A155780 nonn,more %O A155780 1,1 %A A155780 _Vincenzo Librandi_, Jan 27 2009 %E A155780 Added 3 more terms _Dmitry Kamenetsky_, Feb 06 2009 %E A155780 a(11)-a(13) from _Robert Price_, Sep 18 2015