This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A116060 #4 Jun 05 2024 17:32:40 %S A116060 55,444,4411445566,1122777666688,4466224466600,44488668881177, %T A116060 660000556677333,9995566666633377799,11155533666655666655, %U A116060 441155662211122335599,1144115588776688333355,4488667700668887770033 %N A116060 Numbers made of nontrivial runs of identical digits obtained multiplying a number m by the m-th prime. %C A116060 A run of length 1 is trivial. %e A116060 p(4259192969)=103577289271 and %e A116060 4259192969*103577289271=441155662211122335599. %t A116060 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 *) %Y A116060 Cf. A033023, A116058, A116059. %K A116060 nonn,base %O A116060 1,1 %A A116060 _Giovanni Resta_, Feb 13 2006