Number of n X n arrays containing n copies of 0..n-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo n and the upper left element equal to 0.
A267018
Number of n X n arrays containing n copies of 0..n-1 with every element equal to or 1 greater than any northeast or northwest neighbors modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =3a(2) =15a(3) =137a(4) =2063a(5) =69265a(6) =4893787a(7) =787556232
External references
- oeis: A267018