%I A083917
%S A083917 0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,1,1,0,0,0,0,0,1,1,
%T A083917 0,1,0,0,0,0,1,0,0,0,0,1,0,1,0,1,0,0,1,0,1,1,0,0,0,0,0,1,0,0,0,1,1,0,1,
%U A083917 0,0,0,1,0,0,2,0,0,0,1,0,0,1,1,0,1,0,0,0,1,0,0,1,0,0,1,1,0,0,0,1,0,0,1
%N A083917 Number of divisors of n that are congruent to 7 modulo 10.
%C A083917 a(n) = A000005(n) - A083910(n) - A083911(n) - A083912(n) - A083913(n) 
               - A083914(n) - A083915(n) - A083916(n) - A083918(n) - A083919(n).
%Y A083917 Cf. A010879, A000005, A001227.
%Y A083917 Sequence in context: A086076 A085981 A127324 this_sequence A117974 A156062 
               A156064
%Y A083917 Adjacent sequences: A083914 A083915 A083916 this_sequence A083918 A083919 
               A083920
%K A083917 nonn
%O A083917 1,77
%A A083917 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 08 2003