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 A290120 #11 Apr 16 2025 10:57:12
%S A290120 719,51839,347557429739519999,3693145248412139519999,
%T A290120 786088879973155564264329346971464984708807393279999999999,
%U A290120 32977671048463054353156106097575368726182652081686848733183999999999999
%N A290120 Primes of the form k!/7 - 1.
%H A290120 Robert Price, <a href="/A290120/b290120.txt">Table of n, a(n) for n = 1..9</a>
%H A290120 Joe McLean, <a href="http://web.archive.org/web/20091027034731/http://uk.geocities.com/nassarawa%40btinternet.com/probprim2.htm">Interesting Sources of Probable Primes</a>.
%H A290120 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>.
%F A290120 a(n) = A139177(A139202(n)). - _Elmo R. Oliveira_, Apr 16 2025
%t A290120 Select[Table[k! / 7 - 1, {k, 7, 100}], PrimeQ[#]&]
%Y A290120 Cf. A139177, A139202.
%K A290120 nonn
%O A290120 1,1
%A A290120 _Robert Price_, Jul 19 2017