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 A321056 #6 Oct 26 2018 20:22:58 %S A321056 0,2803418,49942371,605109972,6030258697,53315654282,437476633564, %T A321056 3434708277908,26357552759183,200667318966580,1531612782695209, %U A321056 11845709562106324,93455676821980373,746513630305265464,6002963117390580668,48383934184947635708,389641866674965457439 %N A321056 Number of permutations of [n] with no fixed points where the maximal displacement of an element equals ten. %H A321056 Alois P. Heinz, <a href="/A321056/b321056.txt">Table of n, a(n) for n = 10..175</a> %F A321056 a(n) = A259783(n) - A259782(n). %Y A321056 Column k=10 of A259784. %Y A321056 Cf. A259782, A259783. %K A321056 nonn %O A321056 10,2 %A A321056 _Alois P. Heinz_, Oct 26 2018