Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.
A264140
Number of (n+1)X(6+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) =320a(1) =18000a(2) =1903336a(3) =163887724a(4) =15238898080
External references
- oeis: A264140