998112domain: NAppears in sequencesNumber of permutations of 1..n+9 with each element displaced by at least 5.at n=4A183242T(n,k) = Number of permutations of 1..n+2*k-1 with each element displaced by at least k.at n=40A183244Number of permutations of 1..2*n+4 with each element displaced by at least n.at n=4A183247