A116058
n times the n-th prime is made of nontrivial runs of identical digits.
Original entry on oeis.org
5, 12, 19822, 281984, 548600, 1665863, 6154167, 668316881, 705145645, 4259192969, 6791367165, 13266297467
Offset: 1
p(4259192969)=103577289271 and
4259192969*103577289271=441155662211122335599.
A116060
Numbers made of nontrivial runs of identical digits obtained multiplying a number m by the m-th prime.
Original entry on oeis.org
55, 444, 4411445566, 1122777666688, 4466224466600, 44488668881177, 660000556677333, 9995566666633377799, 11155533666655666655, 441155662211122335599, 1144115588776688333355, 4488667700668887770033
Offset: 1
p(4259192969)=103577289271 and
4259192969*103577289271=441155662211122335599.
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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 *)
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