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 A023074 #19 Aug 07 2025 03:04:34
%S A023074 1463,1562,2156,14630,14763,15404,15602,15620,15762,17562,20156,21560,
%T A023074 21576,21756,23736,103154,103262,104153,115304,115403,120326,123357,
%U A023074 143562,146300,147630,147763,153041,153104,153705,154004,154031,154040
%N A023074 Positive numbers k such that k and 3*k are anagrams in base 8 (written in base 8).
%H A023074 Amiram Eldar, <a href="/A023074/b023074.txt">Table of n, a(n) for n = 1..10000</a>
%t A023074 FromDigits[IntegerDigits[#, 8]] & /@ Select[Range[100000], SameQ @@ Sort /@ IntegerDigits[{#, 3*#}, 8] &] (* _Amiram Eldar_, Aug 07 2025 *)
%Y A023074 Cf. A007094.
%K A023074 nonn,base
%O A023074 1,1
%A A023074 _David W. Wilson_