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 A179562 #8 Apr 28 2024 17:28:25 %S A179562 0,0,1,4,31,146,1289,7736,85831,641302,8732989,78432212,1270475155, %T A179562 13338831858,250740220345,3013809363056,64512904742895, %U A179562 873589792390382,20982459271174517,316070362138732172,8418423492219771211,139628838506569935338,4084524856346911809777 %N A179562 Number of permutations of 1..n with the number moved left exceeding the number moved right by 1. %Y A179562 Column k=1 (or k=-1) of A062866. %Y A179562 Equal number moved left and right, see A062868. %K A179562 nonn %O A179562 1,4 %A A179562 _R. H. Hardin_, Jul 19 2010 %E A179562 a(19)-a(20) from _Alois P. Heinz_, Jul 31 2018 %E A179562 a(21)-a(23) from _Alois P. Heinz_, Apr 28 2024