%I A064240
%S A064240 30,156,618,660,1626,2550,4230,4356,4566,5658,6120,6708,7506,11496,
%T A064240 15318,16746,18048,19140,19476,19686,20610,21030,22920,23130,24096,
%U A064240 25188,26406,27918,29346,29598,29640,32748,33966,35058,39678,41610
%N A064240 Values of m such that N=(am+1)(bm+1)(cm+1) is a Carmichael number, where 
               a,b,c = 1,2,7.
%C A064240 am+1, bm+1, cm+1 are primes and am | (N-1), bm | (N-1), cm |(N-1)
%D A064240 Harvey Dubner (harvey(AT)dubner.com), personal communication, Jun 27, 
               2001.
%Y A064240 Sequence in context: A135175 A042760 A042762 this_sequence A141221 A159884 
               A074357
%Y A064240 Adjacent sequences: A064237 A064238 A064239 this_sequence A064241 A064242 
               A064243
%K A064240 nonn
%O A064240 0,1
%A A064240 N. J. A. Sloane (njas(AT)research.att.com), Sep 23 2001