Number of (n+1) X (n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
A264066
Number of (n+1) X (n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
Terms
- a(0) =2a(1) =21a(2) =1210a(3) =239580a(4) =242621698
External references
- oeis: A264066