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 A218553 #30 Feb 16 2025 08:33:18 %S A218553 6,10,30,42 %N A218553 Order of (5,n) cage, i.e., minimal order of 5-regular graph of girth n. %C A218553 a(7) <= 152, a(8) = 170, a(12) = 2730. - From Royle's page via _Jason Kimberley_, Dec 21 2012 %H A218553 Andries E. Brouwer, <a href="http://www.win.tue.nl/~aeb/graphs/cages/cages.html">Cages</a> %H A218553 Geoff Exoo, <a href="http://ginger.indstate.edu/ge/CAGES">Regular graphs of given degree and girth</a> %H A218553 G. Exoo and R. Jajcay, <a href="http://www.combinatorics.org/ojs/index.php/eljc/article/view/DS16">Dynamic cage survey</a>, Electr. J. Combin. (2008, 2011). %H A218553 Gordon Royle, <a href="http://staffhome.ecm.uwa.edu.au/~00013890/remote/cages/allcages.html">Cages of higher valency</a> %H A218553 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/CageGraph.html">Cage Graph</a> (claims too much) %F A218553 a(n) >= A061547(n+1). %Y A218553 Orders of cages: A054760 (n,k), A000066 (3,n), A037233 (4,n), this sequence (5,n), A218554 (6,n), A218555 (7,n), A191595 (n,5). %K A218553 hard,more,nonn %O A218553 3,1 %A A218553 _Arkadiusz Wesolowski_, Nov 02 2012 %E A218553 a(7) deleted by _Jason Kimberley_, Dec 21 2012