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 A023697 #12 Sep 13 2023 07:32:11 %S A023697 364,850,1012,1066,1084,1090,1092,1094,1096,1102,1120,1174,1336,1822, %T A023697 2308,2470,2524,2542,2548,2550,2552,2554,2560,2578,2632,2794,2956, %U A023697 3010,3028,3034,3036,3038,3040,3046,3064,3118 %N A023697 Numbers with exactly 6 1's in their ternary expansion. %H A023697 Seiichi Manyama, <a href="/A023697/b023697.txt">Table of n, a(n) for n = 1..10000</a> %t A023697 Select[ Range[ 3240 ], (Count[ IntegerDigits[ #, 3 ], 1 ]==6)& ] %K A023697 nonn,base,easy %O A023697 1,1 %A A023697 _Olivier Gérard_