Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
A264067
Number of (n+1) X (4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
Terms
- a(0) =34a(1) =605a(2) =12100a(3) =239580a(4) =4745620a(5) =94000060a(6) =1861931060a(7) =36880691100a(8) =730524027860
External references
- oeis: A264067