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 A369092 #12 Jan 15 2024 10:04:41 %S A369092 1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,18,19,21,22,31,41,51,61,71,81, %T A369092 91,101,110,112,113,114,115,116,117,118,119,121,122,131,141,151,161, %U A369092 171,181,191,221,322,422,522,622,722,822,922,1022,1101,1121,1131,1141,1151,1161,1171,1181,1191 %N A369092 Numbers which are a substring of their own "Look and Say" description (cf. A045918). %C A369092 It is likely the 171 terms of the attached bfile, with a(171) = 22119221, forms the complete list of such numbers, although this is unknown. %H A369092 Scott R. Shannon, <a href="/A369092/b369092.txt">Table of n, a(n) for n = 1..171</a> %e A369092 1 is a term as A045918(1) = 10, which contains "1" as a substring. %e A369092 101 is a term as A045918(101) = 111011, which contains "101" as a substring. %e A369092 22119221 is a term as A045918(22119221) = 2221192211, which contains "22119221" as a substring. It is likely this is the last possible term. %Y A369092 Cf. A369132 (description is a substring of the number), A005150, A045918. %K A369092 nonn,base %O A369092 1,2 %A A369092 _Scott R. Shannon_, Jan 13 2024