79088domain: NAppears in sequencesNumber of 6-step one or two space at a time bishop's tours on an n X n board summed over all starting positions.at n=6A187050Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having directed index change 0,1 0,-1 -2,0 or 1,1.at n=9A264880