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 A079924 #11 Jan 03 2022 21:20:45 %S A079924 6,31,140,566,2104,7364,24720,80196,253072,780902,2365772,7058469, %T A079924 20789082,60560175,174763208,500245052,1421824896,4016278792, %U A079924 11283371280,31547434008,87827653936,243578509132,673221043496 %N A079924 Solution to the Dancing School Problem with n girls and n+5 boys: f(n,5). %C A079924 f(g,h) = per(B), the permanent of the (0,1)-matrix B of size g X g+h with b(i,j)=1 if and only if i <= j <= i+h. See A079908 for more information. %D A079924 Jaap Spies, Dancing School Problems, Nieuw Archief voor Wiskunde 5/7 nr. 4, Dec 2006, pp. 283-285. %H A079924 Jaap Spies, <a href="http://www.nieuwarchief.nl/serie5/pdf/naw5-2006-07-4-283.pdf">Dancing School Problems</a>, Nieuw Archief voor Wiskunde 5/7 nr. 4, Dec 2006, pp. 283-285. %H A079924 Jaap Spies, <a href="http://www.jaapspies.nl/mathfiles/dancingschool.pdf">Dancing School Problems, Permanent solutions of Problem 29</a>. %Y A079924 Cf. A079908-A079928. %K A079924 nonn %O A079924 1,1 %A A079924 _Jaap Spies_, Jan 28 2003 %E A079924 More terms from _Jaap Spies_, Dec 14 2006