160964domain: NAppears in sequencesNumber of permutations of floor(i*5/4), i=0..n-1, with all sums of 3 adjacent terms unique.at n=8A152319Number of ways to place m nonattacking queens on an m X n board, 1 <= m <= n (triangular array).at n=75A269133Number of non-averaging permutations of [n] with first element n.at n=21A296530