Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1.
A265880
Number of nX3 arrays containing 3 copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1.
Terms
- a(0) =0a(1) =2a(2) =152a(3) =30488a(4) =18437120a(5) =13734486480
External references
- oeis: A265880