11909009849domain: NAppears in sequencesNumber of (n+1) X (6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,1 or 1,2.at n=4A264069Number of (5+1) X (n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,1 or 1,2.at n=5A264074