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 A116065 #21 Aug 31 2025 15:48:48
%S A116065 88,385,583,1426,5236,5929,6241,6325,9295,284213,312482,1001099,
%T A116065 9901001,15046244,44264051,101127144,176452305,220741304,403147022,
%U A116065 441721101,469671917,503254671,719176964,1110212002,1111340003,1315098605,2002120111,2024968033,2433379564
%N A116065 Numbers k, not ending in 0, such that k times its digital reverse gives a number made of nontrivial runs of identical digits.
%C A116065 A run of length 1 is trivial.
%e A116065 15046244 * 44264051 = 666007711774444.
%e A116065 5236 * 6325 = 33117700.
%t A116065 okQ[n_]:=Module[{idn=IntegerDigits[n],revnt},revnt=n FromDigits[Reverse[ idn]]; Last[idn]!=0&&Min[Length/@Split[ IntegerDigits[revnt]]]>1]; Select[Range[10^6],okQ] (* _Harvey P. Dale_, Jan 04 2012 *)
%Y A116065 Cf. A033023, A061205.
%K A116065 nonn,base,changed
%O A116065 1,1
%A A116065 _Giovanni Resta_, Feb 13 2006
%E A116065 Corrected and extended by _Giovanni Resta_, Aug 30 2025
%E A116065 Incorrect comment removed by _Jason Yuen_, Aug 30 2025