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 A188051 #19 Nov 01 2018 21:30:48 %S A188051 3,13,71,14533,26641,48179 %N A188051 Numbers k such that 18^k - 17^k is prime, or a strong pseudoprime. %C A188051 Terms < 10000 found by Mike Oakes. %C A188051 Term 14533 found by Lelio R Paula in June 2008 corresponding to a probable prime with 18243 digits. %C A188051 Terms 26641 and 48179 found by Jean-Louis Charton in December 2010 corresponding to probable primes with 33442 and 60478 digits. %C A188051 a(7) > 10^5. - _Robert Price_, Nov 30 2012 %H A188051 <a href="http://www.primenumbers.net/prptop/searchform.php?form=18%5Ep-17%5Ep">Top probable primes of the form 18^p-17^p</a> %o A188051 (PARI) is(n)=ispseudoprime(18^n-17^n) \\ _Charles R Greathouse IV_, Jun 06 2017 %Y A188051 Cf. A000043, A057468, A059801, A059802, A059803, A062572-A062583, A062585-A062666. %K A188051 nonn,hard %O A188051 1,1 %A A188051 _Jean-Louis Charton_, Mar 19 2011 %E A188051 Edited by _M. F. Hasler_, Sep 21 2013