Number of nX7 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
A223061
Number of nX7 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
Terms
- a(0) =715a(1) =3361024a(2) =18142309235
External references
- oeis: A223061