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 A121026 #14 Jan 07 2021 18:16:05 %S A121026 6,36,60,66,96,126,156,162,168,186,216,246,264,276,306,336,360,366, %T A121026 396,426,456,462,468,486,516,546,564,576,600,606,612,618,624,630,636, %U A121026 642,648,654,660,666,672,678,684,690,696,726,756,762,768,786,816,846,864 %N A121026 Multiples of 6 containing a 6 in their decimal representation. %H A121026 <a href="/index/Ar#10-automatic">Index entries for 10-automatic sequences</a>. %F A121026 a(n) ~ 6n. - _Charles R Greathouse IV_, Feb 12 2017 %t A121026 Select[6*Range[200],DigitCount[#,10,6]>0&] (* _Harvey P. Dale_, Jan 07 2021 *) %o A121026 (PARI) is(n)=n%6==0 && setsearch(Set(digits(n)), 6) \\ _Charles R Greathouse IV_, Feb 12 2017 %Y A121026 Intersection of A008588 and A011536. %Y A121026 Cf. A121041, A011531, A121022, A121023, A121024, A121025, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121037, A121038, A121039, A121040. %K A121026 nonn,base,easy %O A121026 1,1 %A A121026 _Reinhard Zumkeller_, Jul 21 2006 %E A121026 Corrected by _T. D. Noe_, Oct 25 2006 %E A121026 Typo in comment fixed by _Reinhard Zumkeller_, May 01 2011