Number of nX4 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order.
A205157
Number of nX4 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order.
Terms
- a(0) =12a(1) =2191a(2) =332285a(3) =54314298a(4) =8797534495
External references
- oeis: A205157