1997815108domain: NAppears in sequencesNumber of even permutations s of {1,2,...,n} such that |s(i)-i| > 1 for each i=1,2,...,n.at n=14A293044Number of odd permutations s of {1,2,...,n} such that |s(i)-i| > 1 for each i=1,2,...,n.at n=14A293045