%I A051592
%S A051592 3,4,6,12,14,54,74,102,114,302,318,366,614,1178,1188,3110,7284,21432,
%T A051592 21906,25848,29882,38618,41990,84510,86022
%N A051592 Numbers n such that n!!!!!!-1 is prime.
%C A051592 n!!!!!! = n(n-6)(n-12)(n-18)...
%C A051592 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 A051592 Ray Ballinger, <a href="http://www.prothsearch.net/multifac.html">Status 
               of Search for Multifactorial Primes</a>
%H A051592 Ken Davis, <a href="http://www.geocities.com/kradenken/mfprimes.html">
               Status of Search for Multifactorial Primes</a>
%H A051592 Ken Davis, <a href="http://www.geocities.com/kradenken/mfdata/f06m.html">
               Results for n!6-1.</a>
%Y A051592 Cf. A085158 (sextuple factorials), A085150.
%Y A051592 Sequence in context: A113728 A000114 A136243 this_sequence A044843 A024373 
               A015888
%Y A051592 Adjacent sequences: A051589 A051590 A051591 this_sequence A051593 A051594 
               A051595
%K A051592 hard,nonn
%O A051592 1,1
%A A051592 N. J. A. Sloane (njas(AT)research.att.com).
%E A051592 Edited and extended by Hugo Pfoertner (hugo(AT)pfoertner.org), Jun 23 
               2003
%E A051592 Corrected and extended by Herman Jamke (hermanjamke(AT)fastmail.fm), 
               Jan 03 2008