Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
A264146
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
Terms
- a(0) =64a(1) =9261a(2) =1440000a(3) =117534144a(4) =12968882161
External references
- oeis: A264146