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 A323802 #6 Jan 28 2019 12:11:33
%S A323802 0,1320,13656,96090,569602,3111243,16447329,87358763,475067757,
%T A323802 2607565996,14310288148,78087401424,422646322560,2269565277936,
%U A323802 12114270563852,64454693890844,342374934748155,1817028234672099,9636622425425550,51069856507725138,270408018010461065
%N A323802 Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 6.
%H A323802 Alois P. Heinz, <a href="/A323802/b323802.txt">Table of n, a(n) for n = 6..1000</a>
%F A323802 a(n) = A154655(n) - A154654(n).
%Y A323802 Column k=6 of A130152.
%Y A323802 Cf. A154654, A154655.
%K A323802 nonn,easy
%O A323802 6,2
%A A323802 _Alois P. Heinz_, Jan 28 2019