Number of nX7 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor.
A199236
Number of nX7 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor.
Terms
- a(0) =3a(1) =1183a(2) =157598a(3) =198168342a(4) =88764401434
External references
- oeis: A199236