%I #6 Mar 30 2012 16:52:08
%S 0,1,0,2,3,5,2,6,9,2,7,9,10,8,15,16,15,10,14,17,16,20,23,27,23,24,32,
%T 31,33,20,34,33,36,45,34,35,42,46,45,50,45,40,49,51,44,44,54,54,53,63,
%U 58,63,56,67,68,75,58,71,73,72,73,68,78,79,89
%N A085623(n)/2.
%H T. D. Noe, <a href="/A201652/b201652.txt">Table of n, a(n) for n = 2..1000</a>
%Y Cf. A085623.
%K nonn
%O 2,4
%A _N. J. A. Sloane_, Dec 03 2011