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 A259783 #12 Jul 19 2015 19:37:12 %S A259783 1,0,1,2,9,44,265,1854,14833,133496,1334961,14684570,145510740, %T A259783 1314803006,11013531389,87155940048,663875231097,4947896842392, %U A259783 36563337902968,270617834212996,2021217246729905,15317729587621252,118254506519672137,924131987256868248 %N A259783 Number of permutations p of [n] with no fixed points and displacement of elements restricted by ten: 1 <= |p(i)-i| <= 10. %C A259783 Conjecture: Column k > 0 of A259776 has a linear recurrence (with constant coefficients) of order = A005317(k) = (2^k + C(2*k,k))/2. For k=10 is conjectured recurrence order 92890. - _Vaclav Kotesovec_, Jul 07 2015 %H A259783 Alois P. Heinz, <a href="/A259783/b259783.txt">Table of n, a(n) for n = 0..175</a> %Y A259783 Column k=10 of A259776. %Y A259783 Cf. A260216. %K A259783 nonn %O A259783 0,4 %A A259783 _Alois P. Heinz_, Jul 05 2015