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 A033083 #24 Jul 28 2025 08:59:18
%S A033083 1,2,3,4,8,10,14,16,22,41,52,72,83,110,114,208,260,264,360,364,416,
%T A033083 552,572,1041,1302,1322,1802,1822,2083,2760,2764,2860,2864,5208,6510,
%U A033083 6514,6610,6614,9010,9014,9110,9114,10416,13802,13822,14302,14322,26041,32552
%N A033083 Numbers in which all pairs of consecutive base-5 digits differ by 2.
%H A033083 Harvey P. Dale, <a href="/A033083/b033083.txt">Table of n, a(n) for n = 1..100</a> (All terms up to 10^6)
%t A033083 Join[{1,2,3,4},Select[Range[35000],Union[Abs[Differences[IntegerDigits[#,5]]]]=={2}&]] (* _Harvey P. Dale_, Sep 24 2024 *)
%Y A033083 Cf. A007091.
%K A033083 nonn,base
%O A033083 1,2
%A A033083 _Clark Kimberling_