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 A341730 #26 Mar 06 2021 19:10:03 %S A341730 3,4,4,5,4,5,6,7,8,8,6,8,8,6,7,8,8,8,12,8,10,8,10,10,8,10,10,10,9,10, %T A341730 10,9,10,10,10,10,12,10,10,10,10,10,10,10,14,10,10,10,10,12,12,10,11, %U A341730 10,12,10,12,12,14,14,12,12,12,12,14,12,12 %N A341730 Maximum number of sides in any cell in a regular 2n-gon with all diagonals drawn (cf. A007678). %C A341730 A bisection of A341729. %C A341730 a(46) = 14, corresponding to a regular 92-gon, suggesting that this sequence may be unbounded (cf. A342222). (The Pfetsch-Ziegler web page discusses a similar question for polygons defined by grid points.) It would be nice to have a b-file. %C A341730 For which values of n is a(n) odd (and why)? %H A341730 M. E. Pfetsch and G. M. Ziegler, <a href="http://www.mathematik.tu-darmstadt.de/~pfetsch/chambers">Large chambers in a lattice polygon</a>, December 13, 2004; %H A341730 M. E. Pfetsch and G. M. Ziegler, <a href="/A341730/a341730.pdf">Large chambers in a lattice polygon</a> [Local copy of webpage, pdf only] %Y A341730 Cf. A007678, A062361, A331450, A331451, A341729, A342222. %K A341730 nonn %O A341730 2,1 %A A341730 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 06 2021