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 A085146 #13 May 31 2024 19:55:42 %S A085146 0,1,2,4,6,18,38,56,94,118,148,286,1358,1480,1514,2680,2846,4078,4288, %T A085146 5612,5680,6440,6586,14614,30972,31690,54406 %N A085146 Numbers k such that k!!!! + 1 is prime. %C A085146 The search for multifactorial primes started by Ray Ballinger is now continued by a team of volunteers on the website of Ken Davis (see link). %H A085146 Ken Davis, <a href="http://mfprimes.free-dc.org">Status of Search for Multifactorial Primes</a>. %H A085146 Ken Davis, <a href="http://mfprimes.free-dc.org/mfdata/f04p.html">Results for n!4+1</a>. %Y A085146 Cf. A007662 (quadruple factorials), A085147. %K A085146 hard,nonn %O A085146 1,3 %A A085146 _Hugo Pfoertner_, Jun 25 2003 %E A085146 More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Jan 03 2008