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A087121 Take bounded lunar divisors of n as defined in A087028, add them using lunar addition. See A087082 for their conventional sum. 2

%I #15 Aug 06 2014 17:14:12

%S 1,2,3,4,5,6,7,8,9,19,19,19,19,19,19,19,19,19,19,29,29,29,29,29,29,29,

%T 29,29,29,39,39,39,39,39,39,39,39,39,39,49,49,49,49,49,49,49,49,49,49,

%U 59,59,59,59,59,59,59,59,59,59,69,69,69,69,69,69,69,69,69,69,79,79,79,79,79,79,79,79,79,79,89,89,89,89,89,89,89,89,89,89,99,99,99,99,99,99,99,99,99,99,199,109,109,109,109,109,109,109,109,109,199,199

%N Take bounded lunar divisors of n as defined in A087028, add them using lunar addition. See A087082 for their conventional sum.

%C Differs from A087052 after 100 terms.

%H D. Applegate, <a href="/A087061/a087061.txt">C program for lunar arithmetic and number theory</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 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. A087061, A087062, A087028, A087083, A087082.

%K nonn,easy

%O 1,2

%A Marc LeBrun and _N. J. A. Sloane_, Oct 21 2003

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Last modified May 17 10:20 EDT 2024. Contains 372594 sequences. (Running on oeis4.)