Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north or southwest neighbor modulo n and the upper left element equal to 0.
A266860
Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its north or southwest neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =0a(2) =17a(3) =999a(4) =328701a(5) =200359723a(6) =215846101578
External references
- oeis: A266860