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 A195655 #16 Aug 28 2024 13:05:16 %S A195655 24576,106500,565512,3392964,22327496,158877948,1212120160,9849731140, %T A195655 84719304384,766319864440,7241521734020,71028444904044, %U A195655 718816489322444,7466044767879028,79230397598482712,855840660674700612,9381236750764316676,104090420921618696952 %N A195655 Number of ways to place 11n nonattacking kings on a 22 X 2n cylindrical chessboard. %C A195655 This cylinder is horizontal: a chessboard where it is supposed that rows 1 and 2n are in contact (number of columns = 22, number of rows = 2n). %H A195655 Alex V. Breger, <a href="/A195655/b195655.txt">Table of n, a(n) for n = 1..500</a> %H A195655 Artem M. Karavaev, <a href="http://zealint.ru/koroli-na-cilindricheskoj-doske-predlozhenie.html">Zealint blog</a> (in Russian) %H A195655 V. Kotesovec, <a href="https://oeis.org/wiki/User:Vaclav_Kotesovec">Non-attacking chess pieces</a> %H A195655 Max A. Alekseyev, <a href="/A195655/a195655.txt">Denominator of the generating function</a> %H A195655 Vaclav Kotesovec, <a href="/A195655/a195655_1.txt">Generating function</a> %H A195655 <a href="/index/Rec#order_1829">Index entries for linear recurrences with constant coefficients</a>, order 1829. %F A195655 Recurrence order is 1829. %Y A195655 Cf. A137432, A195653, A195654, A195650, A195660. %K A195655 nonn %O A195655 1,1 %A A195655 _Vaclav Kotesovec_, Sep 22 2011