Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its northwest or southwest neighbor modulo n and the upper left element equal to 0.
A266571
Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its northwest or southwest neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =1a(2) =15a(3) =2320a(4) =729874a(5) =466056593a(6) =515679132204
External references
- oeis: A266571