A116059
The prime p times its index gives a number that is made of nontrivial runs of identical digits.
Original entry on oeis.org
11, 37, 222553, 3981707, 8141131, 26706079, 107244499, 14956328279, 15820183739, 103577289271, 168466166087, 338351202499
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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