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 A043446 #16 Jul 22 2022 17:47:30 %S A043446 54,118,182,246,310,374,390,398,406,414,422,430,432,433,434,435,436, %T A043446 437,439,446,502,566,630,694,758,822,886,902,910,918,926,934,942,944, %U A043446 945,946,947,948,949,951,958,1014,1078,1142,1206 %N A043446 Numbers having two 6's in base 8. %H A043446 Vincenzo Librandi, <a href="/A043446/b043446.txt">Table of n, a(n) for n = 1..10000</a> %t A043446 Select[Range[1300],DigitCount[#,8,6]==2&] (* _Harvey P. Dale_, May 16 2012 *) %Y A043446 Cf. A007094. %K A043446 nonn,base %O A043446 1,1 %A A043446 _Clark Kimberling_