317072810421domain: NAppears in sequencesNumber of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.at n=5A264121Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.at n=5A264126