Half the number of n X n 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors.
A183493
Half the number of n X n 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors.
Terms
- a(0) =1a(1) =9a(2) =256a(3) =33057a(4) =16796160a(5) =34359738368
External references
- oeis: A183493