%I A070682
%S A070682 0,1,0,6,1,2,6,0,16,18,6,22,0,3,28,15,2,0,3,6,5,21,0,46,42,16,13,
%T A070682 0,18,58,60,6,0,33,22,35,8,0,6,13,9,41,0,28,44,6,15,0,96,2,4,34,
%U A070682 0,53,108,3,112,0,6,48,22,5,0,42,21,130,18,0,8,46,46,6,0,42,148
%N A070682 Smallest m in range 1..phi(2n+1) such that 10^m == 1 mod 2n+1, or 0 if 
               no such number exists.
%Y A070682 Cf. A070667-A070675, A002326, A070676, A053447, A070677, A070678, A053451, 
               A070679, A070681, A070680, A070683.
%Y A070682 Sequence in context: A013672 A019946 A090551 this_sequence A112828 A085766 
               A002329
%Y A070682 Adjacent sequences: A070679 A070680 A070681 this_sequence A070683 A070684 
               A070685
%K A070682 nonn
%O A070682 0,4
%A A070682 N. J. A. Sloane (njas(AT)research.att.com) and Amarnath Murthy (amarnath_murthy(AT)yahoo.com), 
               May 08 2002