Number of nX3 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.
A198718
Number of nX3 0..6 arrays with values 0..6 introduced in row major order and no element equal to any horizontal or vertical neighbor.
Terms
- a(0) =2a(1) =34a(2) =2027a(3) =232841a(4) =34003792a(5) =5315840795a(6) =846047363854
External references
- oeis: A198718