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 A083918 Number of divisors of n that are congruent to 8 modulo 10. 11
 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 2, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,48 COMMENTS a(n) = A000005(n) - A083910(n) - A083911(n) - A083912(n) - A083913(n) - A083914(n) - A083915(n) - A083916(n) - A083917(n) - A083919(n). LINKS Harvey P. Dale, Table of n, a(n) for n = 1..1000 MATHEMATICA Table[Count[Divisors[n], _?(Mod[#, 10]==8&)], {n, 110}] (* Harvey P. Dale, Sep 28 2016 *) CROSSREFS Cf. A010879, A000005, A001227. Sequence in context: A248394 A127268 A252459 * A083895 A093488 A085858 Adjacent sequences:  A083915 A083916 A083917 * A083919 A083920 A083921 KEYWORD nonn AUTHOR Reinhard Zumkeller, May 08 2003 STATUS approved

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Last modified October 23 18:52 EDT 2018. Contains 316530 sequences. (Running on oeis4.)