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Number of permutations of 1..n with i-10<=p(i)<=i+6
1

%I #4 Mar 31 2012 12:35:45

%S 1,2,6,24,120,720,5040,35280,246960,1728720,12101040,79108560,

%T 494049000,3006564984,18109683246,109214866454,664787648911,

%U 4106439430633,25584780661372,160081841995060,1002916510960752,6280003869565440

%N Number of permutations of 1..n with i-10<=p(i)<=i+6

%H R. H. Hardin, <a href="/A179366/b179366.txt">Table of n, a(n) for n=1..200</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Jul 11 2010