80568542340domain: 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 1,0 or 1,2.at n=4A264270Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,0 or 1,2.at n=5A264276