Number of nX3 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.
A198657
Number of nX3 0..7 arrays with values 0..7 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.
Terms
- a(0) =1a(1) =14a(2) =185a(3) =3904a(4) =98467a(5) =3053286a(6) =109133049a(7) =4460603630a(8) =202661109307
External references
- oeis: A198657