110628domain: NAppears in sequencesNumber of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={0,2}.at n=22A080006Number of (w,x,y,z) with all terms in {1,...,n} and w*x>=3*y*z.at n=26A211919