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 A329112 #34 Apr 03 2023 10:36:13 %S A329112 7,9,11,13,15,19,21,23,29,35,37,55,57,77,85,139,243,251,433,667,671, %T A329112 895,2127,2263,2293,2645,2733,2845,3675,4381,6453,6825,36557,78531 %N A329112 Numbers k such that k![4] - 8 is prime, where k![4] = A007662(k) = quadruple factorial. %C A329112 a(35) > 10^5. %C A329112 The first 6 primes associated with this sequence are: 13, 37, 223, 577, 3457, 65827. %H A329112 C. K. Caldwell, The Prime Glossary, <a href="https://t5k.org/glossary/page.php/MultifactorialPrime.html">multifactorial prime</a> %H A329112 C. Caldwell and H. Dubner (Eds): <a href="https://t5k.org/lists/top_ten/">The top ten prime numbers: from the unpublished collections of R. Ondrejka</a> (May 2001), Table 21 F, p. 75 %H A329112 Ken Davis, <a href="http://mfprimes.free-dc.org">Status of Search for Multifactorial Primes</a>. %H A329112 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> %t A329112 MultiFactorial[n_, k_] := If[n < 1, 1, n*MultiFactorial[n - k, k]]; %t A329112 Select[Range[1000], (x = MultiFactorial[#, 4] - 8; x > 0 && PrimeQ[x]) &] %Y A329112 Cf. A007662, A283553. %K A329112 nonn %O A329112 1,1 %A A329112 _Robert Price_, Nov 06 2019