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 A088470 Lunar sum of distinct lunar prime divisors of n. 2
 0, 0, 0, 0, 0, 0, 0, 0, 0, 90, 99, 19, 19, 19, 19, 19, 19, 19, 19, 90, 91, 99, 29, 29, 29, 29, 29, 29, 29, 90, 91, 92, 99, 39, 39, 39, 39, 39, 39, 90, 91, 92, 93, 99, 49, 49, 49, 49, 49, 90, 91, 92, 93, 94, 99, 59, 59, 59, 59, 90, 91, 92, 93, 94, 95, 99, 69, 69, 69 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,10 COMMENTS a(n) = Sum_{p is a lunar divisor of n} p. (Each prime appears at most once in this sum.) LINKS D. Applegate, C program for lunar arithmetic and number theory [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing] D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing] CROSSREFS Cf. A088469, A088471, A087097. Sequence in context: A257445 A138692 A057455 * A147676 A045097 A074817 Adjacent sequences:  A088467 A088468 A088469 * A088471 A088472 A088473 KEYWORD nonn AUTHOR David Applegate, Nov 11 2003 STATUS approved

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Last modified May 28 03:05 EDT 2017. Contains 287211 sequences.