90060domain: NAppears in sequencesNumber of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,2,3}.at n=45A079955a(n) = Sum_{k=0..floor(n/5)} C(n-4k,k+1).at n=39A099559a(n) = 100*n^2 + 2*n.at n=29A158127