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 A347697 #11 Oct 11 2021 12:01:42
%S A347697 0,0,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,7,7,
%T A347697 7,7,7,7,7,7,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,10,10,10,
%U A347697 10,10,10,10,10,10,10,10,10,10,10,10,10,11
%N A347697 a(n) = max_{k <= n} A347696(k).
%C A347697 The n-th run of consecutive equal terms appears to have length A137688(n). - _Rémy Sigrist_, Oct 11 2021
%H A347697 Rémy Sigrist, <a href="/A347697/b347697.txt">Table of n, a(n) for n = 0..8191</a>
%H A347697 Ravi Vakil, <a href="https://doi.org/10.1016/S0012-365X(98)00383-5">On the Steenrod length of real projective spaces: finding longest chains in certain directed graphs</a>, Discrete Mathematics 204 (1999) 415-425.
%H A347697 Rémy Sigrist, <a href="/A347697/a347697_1.txt">C program for A347697</a>
%o A347697 (C) See Links section.
%Y A347697 Cf. A137688, A347696.
%K A347697 nonn
%O A347697 0,5
%A A347697 _N. J. A. Sloane_, Oct 11 2021
%E A347697 More terms from _Rémy Sigrist_, Oct 11 2021