%I A003165 M0106
%S A003165 0,0,0,0,1,0,2,1,2,2,4,1,5,4,4,4,7,4,8,5,7,8,10,5,10,10,10,9,13,8,14,11,
%T A003165 13,14,14,10,17,16,16,13,19,14,20,17,17,20,22,15,22,20,22,21,25,20,24,
%U A003165 21,25,26,28,19,29,28,26,26,29,26,32,29,31,28,34,25,35,34,32
%N A003165 Floor(n/2) + 1 - number of divisors of n.
%D A003165 M. Newman, Integral Matrices. Academic Press, NY, 1972, p. 186.
%D A003165 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A003165 Equals A004526(n) - A000005(n) + 1.
%Y A003165 Sequence in context: A046640 A049823 A143775 this_sequence A158379 A122838 
               A050378
%Y A003165 Adjacent sequences: A003162 A003163 A003164 this_sequence A003166 A003167 
               A003168
%K A003165 nonn,easy
%O A003165 1,7
%A A003165 N. J. A. Sloane (njas(AT)research.att.com).
%E A003165 More terms from R. Stephan, Sep 18 2004