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 A290122 #17 Apr 16 2025 10:58:10
%S A290122 79,145297151999,39520825343999,711374856191999,5676771352412159999,
%T A290122 1209874383379816906751999999,982417999304411328282623999999,
%U A290122 29472539979132339848478719999999,1529305899025149449590664397953433599999999
%N A290122 Primes of the form k!/9 - 1.
%H A290122 Robert Price, <a href="/A290122/b290122.txt">Table of n, a(n) for n = 1..12</a>
%H A290122 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 A290122 OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>.
%F A290122 a(n) = A139184(A139204(n)). - _Elmo R. Oliveira_, Apr 16 2025
%t A290122 Select[Table[k! / 9 - 1, {k, 6, 100}], PrimeQ[#]&]
%Y A290122 Cf. A139184, A139204, A290116, A290117, A290118, A290119, A290120, A290121, A290123.
%K A290122 nonn
%O A290122 1,1
%A A290122 _Robert Price_, Jul 19 2017
%E A290122 Missing terms inserted by _Alois P. Heinz_, Dec 05 2024