Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west or northeast neighbor modulo n and the upper left element equal to 0.
A266866
Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west or northeast neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =0a(2) =17a(3) =1304a(4) =530368a(5) =358960340a(6) =415907473523
External references
- oeis: A266866