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%I #16 Aug 06 2014 16:23:20
%S 0,1,2,3,4,5,6,7,8,81,9,3,5,7,9,11,13,15,17,83,83,27,15,17,19,21,23,
%T 25,27,85,85,85,43,27,29,31,33,35,37,87,87,87,87,57,39,41,43,45,47,89,
%U 89,89,89,89,69,51,53,55,57,91,91,91,91,91,91,79,63,65,67
%N In base 2, excess of lunar sum of lunar divisors of n over number of lunar divisors of n.
%H D. Applegate, M. LeBrun and N. J. A. Sloane, <a href="http://arxiv.org/abs/1107.1130">Dismal Arithmetic</a> [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]
%H <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a>
%Y Equals A087416(n) - A087029(n).
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Feb 21 2011