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%I #23 Sep 14 2017 15:38:19
%S 9,17,19,25,33,34,35,37,39,41,49,51,57,65,66,67,69,70,71,73,75,77,79,
%T 81,83,89,97,98,99,101,103,105,113,115,121,129,130,131,132,133,134,
%U 135,137,138,139,141,142,143,145,147,149,151,153,155,157,159,161,162,163,165,167,169,177,179,185,193,194,195,197,198,199,201,203,205,207,209,211
%N A190149 converted to base 10 and halved.
%C Take the even numbers n such that in base 2 lunar arithmetic, the sum of the divisors of n is not of the form 2^k-1, and divide them (in ordinary arithmetic) by 2 (cf. A190149, A190150)
%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 D. Applegate, M. LeBrun, N. J. A. Sloane, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL14/Sloane/carry2.html">Dismal Arithmetic</a>, J. Int. Seq. 14 (2011) # 11.9.8.
%H <a href="/index/Di#dismal">Index entries for sequences related to dismal (or lunar) arithmetic</a>
%Y Cf. A188548, A190149, A190150.
%K nonn,base
%O 1,1
%A _N. J. A. Sloane_, May 05 2011
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