Number of nX2 arrays containing 2 copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0.
A266992
Number of nX2 arrays containing 2 copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =23a(4) =907a(5) =51499a(6) =4161843a(7) =447189962a(8) =61857780853
External references
- oeis: A266992