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 A293874 #22 Feb 26 2024 09:41:25 %S A293874 14,114,140,141,142,143,144,145,146,147,148,149,214,314,414,514,614, %T A293874 714,814,914,1014,1114,1140,1141,1142,1143,1144,1145,1146,1147,1148, %U A293874 1149,1214,1314,1400,1401,1402,1403,1404,1405,1406,1407,1408,1409,1410,1411,1412,1413,1414,1415,1416 %N A293874 Numbers having '14' as substring of their digits. %C A293874 Row 14 of A292690 and A293869. %H A293874 Paolo Xausa, <a href="/A293874/b293874.txt">Table of n, a(n) for n = 1..10000</a> %H A293874 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a> %F A293874 a(n) ~ n. - _Charles R Greathouse IV_, Nov 02 2022 %t A293874 Select[Range[2000], StringContainsQ[IntegerString[#], "14"] &] (* _Paolo Xausa_, Feb 25 2024 *) %o A293874 (PARI) is_A293874 = has(n, p=14, m=10^#Str(p))=until(p>n\=10, n%m==p&&return(1)) %Y A293874 Cf. A292690, A293869. A121034 lists the terms which are divisible by 14. %Y A293874 Cf. A011540, A011531, A011532, A011533, A011534, A011535, A011536, A011537, A011538, A011539: analog for '0' - '9'. %Y A293874 Cf. A293870, A293871, A293872, A293873, A293875, A293876, A293877, A293878, A293879, A293880: same for '10' - '20'. %Y A293874 Cf. A121041, A121022, A121023, A121024, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121037, A121038, A121039, A121040: subsequences of the above, containing only multiples of the pattern p. %K A293874 nonn,base,easy %O A293874 1,1 %A A293874 _M. F. Hasler_, Oct 18 2017