%I A013586
%S A013586 2,2,2,0,3,3,3,0,0,5,7,0,13,7,5,0,17,0,7,0,7,11,23,0,0,13,0,0,5,5,5,0,
               11,
%T A013586 17,7,0,23,19,13,0,41,7,43,0,0,23,47,0,0,0,17,0,19,0,11,0,19,29,13,0,17,
%U A013586 31,0,0,13,11,67,0,23,7,71,0,53,37,0,0,11,13,29,0,0,41,83,0,17,43,29,0
%N A013586 Smallest prime p such that n divides one of f(p)-1, f(p) or f(p)+1, where 
               f(p) is product of primes <= p, or 0 if no such p exists.
%D A013586 M. R. Mudge, Smarandache Notions Journal, University of Craiova, Vol. 
               VII, No. 1, 1996.
%H A013586 M. L. Perez et al., eds., <a href="http://www.gallup.unm.edu/~smarandache/
               ">Smarandache Notions Journal</a>
%Y A013586 Sequence in context: A109135 A059288 A071443 this_sequence A071441 A134577 
               A071442
%Y A013586 Adjacent sequences: A013583 A013584 A013585 this_sequence A013587 A013588 
               A013589
%K A013586 nonn
%O A013586 1,1
%A A013586 Michael R. Mudge (Amsorg(AT)aol.com)
%E A013586 David W. Wilson (davidwwilson(AT)comcast.net) points out that the published 
               beginning is incorrect and has extended this sequence and supplied 
               a better description.