%I #4 Mar 31 2012 12:35:45
%S 1,2,6,24,120,600,3000,15000,75000,375000,1875000,8981784,42195774,
%T 197451926,929043391,4418144281,21115063084,101076625300,483821382744,
%U 2314379964864,11064448856064,52869709237824,252527695995264
%N Number of permutations of 1..n with i-10<=p(i)<=i+4
%H R. H. Hardin, <a href="/A179364/b179364.txt">Table of n, a(n) for n=1..400</a>
%K nonn
%O 1,2
%A _R. H. Hardin_ Jul 11 2010