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 A116065 Numbers n, not ending in 0, such that n times its digital reverse gives a number made of nontrivial runs of identical digits. 0
 88, 385, 583, 1426, 5929, 6241, 9295, 284213, 312482, 1001099, 9901001, 15046244, 44264051, 101127144, 176452305, 220741304 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A run of length 1 is trivial. Neither n nor (n times its digital reverse) may end in zero. [From Harvey P. Dale, Jan 04 2012] LINKS Table of n, a(n) for n=1..16. EXAMPLE 15046244 * 44364051 = 666007711774444. MATHEMATICA okQ[n_]:=Module[{idn=IntegerDigits[n], revnt}, revnt=n FromDigits[Reverse[ idn]]; Last[idn]!=0&&Last[IntegerDigits[revnt]]!=0&&Min[Length/@Split[ IntegerDigits[revnt]]]>1]; Select[Range[225000000], okQ] (* Harvey P. Dale, Jan 04 2012 *) CROSSREFS Cf. A001694, A033023. Sequence in context: A235019 A241846 A064022 * A234777 A234770 A052049 Adjacent sequences: A116062 A116063 A116064 * A116066 A116067 A116068 KEYWORD nonn,base AUTHOR Giovanni Resta, Feb 13 2006 STATUS approved

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)