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 A293875 #23 Feb 26 2024 09:41:29 %S A293875 15,115,150,151,152,153,154,155,156,157,158,159,215,315,415,515,615, %T A293875 715,815,915,1015,1115,1150,1151,1152,1153,1154,1155,1156,1157,1158, %U A293875 1159,1215,1315,1415,1500,1501,1502,1503,1504,1505,1506,1507,1508,1509,1510,1511,1512,1513,1514,1515 %N A293875 Numbers having '15' as substring of their digits. %C A293875 Row 15 of A292690 and A293869. A121035 lists the terms which are divisible by 15. %H A293875 Paolo Xausa, <a href="/A293875/b293875.txt">Table of n, a(n) for n = 1..10000</a> %H A293875 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a> %F A293875 a(n) ~ n. - _Charles R Greathouse IV_, Nov 02 2022 %t A293875 Select[Range[2000], StringContainsQ[IntegerString[#], "15"] &] (* _Paolo Xausa_, Feb 25 2024 *) %o A293875 (PARI) is_A293875 = has(n, p=15, m=10^#Str(p))=until(p>n\=10, n%m==p&&return(1)) %Y A293875 Cf. A292690, A293869. %Y A293875 Cf. A011540, A011531, A011532, A011533, A011534, A011535, A011536, A011537, A011538, A011539: analog for '0' - '9'. %Y A293875 Cf. A293870, A293871, A293872, A293873, A293874, A293876, A293877, A293878, A293879, A293880: same for '10' - '20'. %Y A293875 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 A293875 nonn,base,easy %O A293875 1,1 %A A293875 _M. F. Hasler_, Oct 18 2017