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 A059614 #33 Jun 07 2021 04:50:38 %S A059614 2,3,4,29,31,34,53,65,94,202,288,415,457,483,703,762,1285,1464,2094, %T A059614 3384,9335,15955,18910,73119,125418,143273,584279 %N A059614 Numbers k such that 6^k - 5 is prime. %C A059614 The next term in the sequence is greater than 12400. - _Dmitry Kamenetsky_, Oct 02 2008 %H A059614 Henri Lifchitz and Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop/searchform.php?form=5%5En%2B2&action=Search">PRP Records</a>. %e A059614 65 is present because 6^65 - 5 is prime. %o A059614 (PARI) is(n)=ispseudoprime(6^n-5) \\ _Charles R Greathouse IV_, Feb 20 2017 %K A059614 nonn %O A059614 1,1 %A A059614 _Andrey V. Kulsha_, Feb 09 2001 %E A059614 a(21), corresponding to a probable prime, from _Dmitry Kamenetsky_, Oct 02 2008 %E A059614 a(22)-a(23) from _Henri Lifchitz_ %E A059614 a(24)-a(25) from Lelio R. Paula %E A059614 a(26) from _Paul Bourdelais_, Jan 28 2021 %E A059614 a(27) from _Paul Bourdelais_, Feb 26 2021