Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,2 or 2,2.
A264013
Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having index change +-(.,.) 0,0 1,2 or 2,2.
Terms
- a(0) =1a(1) =5a(2) =169a(3) =20570a(4) =9150625a(5) =21860843125
External references
- oeis: A264013