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 A043288 #18 Sep 27 2023 10:07:16
%S A043288 1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,
%T A043288 1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,
%U A043288 1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2
%N A043288 Maximal run length in base-14 representation of n.
%H A043288 Antti Karttunen, <a href="/A043288/b043288.txt">Table of n, a(n) for n = 1..65537</a>
%t A043288 A043288[n_]:=Max[Map[Length,Split[IntegerDigits[n,14]]]];Array[A043288,100] (* _Paolo Xausa_, Sep 27 2023 *)
%o A043288 (PARI) A043288(n,b=14)={my(m,c=1);while(n>0,n%b==(n\=b)%b&&c++&&next;m=max(m,c);c=1);m} \\ _M. F. Hasler_, Jul 23 2013
%Y A043288 Cf. A043276, A043277, A043278, A043279, A043280, A043281, A043282, A043283, A043284, A043285, A043286, A043287, A043289, A043290 for base-2 to base-16 analogs.
%K A043288 nonn,base
%O A043288 1,15
%A A043288 _Clark Kimberling_
%E A043288 More terms from _Antti Karttunen_, Sep 21 2018