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 A046077 #12 Feb 16 2025 08:32:38 %S A046077 103,138,875,949,6617,1802,14545 %N A046077 a(d-2) is the smallest member of A046076 containing an undulating sequence of 010... or 101... of maximal length d=3, 4, ... %D A046077 C. A. Pickover, The Undulation of the Monks, Ch. 20 in Keys to Infinity. New York: W.H.Freeman, pp. 159-161, 1995. %D A046077 C. A. Pickover, Wonders of Numbers, Oxford New York 2001, Chapter 52, pp. 123-124, 316-317. %H A046077 C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," <a href="http://www.zentralblatt-math.org/zmath/en/search/?q=an:0983.00008&format=complete">Zentralblatt review</a> %H A046077 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/UndulatingNumber.html">Undulating Number.</a> %Y A046077 Cf. A046076. %K A046077 nonn,more %O A046077 1,1 %A A046077 _Eric W. Weisstein_