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 A084904 Number of places to insert a division operator in the decimal string of n such that an integer results. 2
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,102 COMMENTS a(A084906(n))>0; record values: a(A000533(n))=n; a(n) < A055642(n). LINKS FORMULA a(n) = #{k: (n mod 10^k)>0 and ((n/10^k) mod (n mod 10^k))=0}. EXAMPLE a(42)=1, as 4/2=2; a(43)=0, as 4/3 is not an integer. CROSSREFS Cf. A084905. Sequence in context: A071936 A005088 A076142 * A084928 A112316 A112802 Adjacent sequences:  A084901 A084902 A084903 * A084905 A084906 A084907 KEYWORD nonn,base AUTHOR Reinhard Zumkeller, Jun 10 2003 STATUS approved

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Last modified May 18 10:19 EDT 2021. Contains 343995 sequences. (Running on oeis4.)