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 A116060 Numbers made of nontrivial runs of identical digits obtained multiplying a number m by the m-th prime. 2
 55, 444, 4411445566, 1122777666688, 4466224466600, 44488668881177, 660000556677333, 9995566666633377799, 11155533666655666655, 441155662211122335599, 1144115588776688333355, 4488667700668887770033 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A run of length 1 is trivial. LINKS Table of n, a(n) for n=1..12. EXAMPLE p(4259192969)=103577289271 and 4259192969*103577289271=441155662211122335599. MATHEMATICA Select[Table[m*Prime[m], {m, 10^6}], Min[Length/@Split[IntegerDigits[#]]]>1&] (* The program generates the first 5 terms of the sequence. *) (* Harvey P. Dale, Jun 05 2024 *) CROSSREFS Cf. A033023, A116058, A116059. Sequence in context: A340240 A355511 A129217 * A145054 A166839 A166827 Adjacent sequences: A116057 A116058 A116059 * A116061 A116062 A116063 KEYWORD nonn,base AUTHOR Giovanni Resta, Feb 13 2006 STATUS approved

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Last modified August 13 13:57 EDT 2024. Contains 375142 sequences. (Running on oeis4.)