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 A151541 #17 Mar 23 2025 07:04:36 %S A151541 1,3,8,32,123,523,2201,9443,40341,172649,736926,3141607,13367012, %T A151541 56790498,240919918,1020753475,4319803799,18262494912,77134873774, %U A151541 325518862387,1372679840360,5784417772262 %N A151541 Number of 2-sided triangular strip polyedges with n cells. %C A151541 Also number of unrooted self-avoiding walks of n steps on hexagonal [ =triangular ] lattice. - _Hugo Pfoertner_, Jun 23 2018 %H A151541 Ed Pegg, Jr., <a href="http://demonstrations.wolfram.com/PolyformExplorer/">Illustrations of polyforms</a> %H A151541 Hugo Pfoertner, <a href="https://oeis.org/plot2a?name1=A001334&name2=A151541&tform1=untransformed&tform2=untransformed&shift=0&radiop1=ratio&drawpoints=true">Illustration of ratio A001334(n)/a(n) using Plot2</a>. %H A151541 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Polyedge.html">Polyedge</a> %Y A151541 Cf. A037245, A151539, A151540, A159867, A266925. %Y A151541 Asymptotically approaches (1/24)*A001334(n) for increasing n. %K A151541 nonn,walk,hard,more %O A151541 1,2 %A A151541 _Ed Pegg Jr_, May 13 2009 %E A151541 a(9)-a(13) from _Joseph Myers_, Oct 05 2011 %E A151541 a(14)-a(22) from _Bert Dobbelaere_, Mar 23 2025