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 A087996 Residues when (n+rev[n]) is divided by (abs(n-rev[n]); if n=rev[n] (when n is palindromic), or when the quotient is integer (see A087993). 0
 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 6, 8, 1, 30, 32, 34, 36, 38, 4, 6, 0, 1, 12, 23, 16, 9, 2, 58, 6, 8, 1, 0, 5, 16, 18, 2, 31, 24, 8, 1, 12, 5, 0, 0, 2, 13, 24, 8, 10, 30, 23, 16, 0, 0, 4, 6, 8, 10, 12, 32, 16, 18, 2, 4, 0, 8, 10, 3, 14, 34, 9, 2, 13, 6, 8, 0, 3, 14, 16, 36, 2, 31, 24, 8, 10, 3, 0, 7 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,10 LINKS FORMULA a(n)=Mod[n+rev(n), abs[n-rev(n)]] if n is non-palindromic or is non-integer; a(n)=0 otherwise. MATHEMATICA dm[n_]:=Module[{rev=FromDigits[Reverse[IntegerDigits[n]]]}, If[n == rev, 0, Mod[ n+rev, Abs[n-rev]]]]; Array[dm, 90] (* Harvey P. Dale, Feb 20 2013 *) CROSSREFS Cf. A087993, A087994. Sequence in context: A220608 A057720 A248507 * A086777 A334349 A058498 Adjacent sequences:  A087993 A087994 A087995 * A087997 A087998 A087999 KEYWORD base,nonn AUTHOR Labos Elemer, Oct 08 2003 STATUS approved

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Last modified April 13 21:24 EDT 2021. Contains 342941 sequences. (Running on oeis4.)