Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,1 or 2,-2.
A264086
Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 0,1 or 2,-2.
Terms
- a(0) =64a(1) =1448a(2) =32761a(3) =645627a(4) =12723489a(5) =252076323a(6) =4994107561a(7) =98921264827
External references
- oeis: A264086