Number of nX4 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order.
A222922
Number of nX4 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order.
Terms
- a(0) =12a(1) =3183a(2) =1396408a(3) =700411548a(4) =352790675074
External references
- oeis: A222922