%I
%S 6,17,27,37,47,57,67,70,71,72,73,74,75,76,77,107,118,128,138,148,158,
%T 168,178,180,181,182,183,184,185,186,187,188,207,217,228,238,248,258,
%U 268,278,280,281,282,283,284,285,286,287,288,307,317,327
%N Numbers of rank 3 in the poset of lunar numbers.
%H David Applegate and N. J. A. Sloane, <a href="/A171786/b171786.txt">Table of n, a(n) for n = 1..17994</a>
%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>
%K nonn,base
%O 1,1
%A _David Applegate_ and _N. J. A. Sloane_, Oct 14 2010
