%I #21 Aug 06 2014 17:08:34
%S 2,6,14,34,82,206,526,1378,3674,9950,27278,75514,210634,591054,
%T 1666406,4716186,13389434,38113462,108737894,310851770,890244546,
%U 2553782246,7337143110,21110531858,60823037522,175471424214,506862346750,1465875933394,4244315841666,12302751068958,35699515448510,103697897085458,301514033677482,877521633678990
%N In lunar arithmetic in base 3, this is the number of lunar divisors of the number 111...1 (with n 1's).
%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 Cf. A079500 (the base 2 analog).
%K nonn,base
%O 1,1
%A _N. J. A. Sloane_, Feb 24 2011