Number of nX4 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order.
A204681
Number of nX4 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically, diagonally or antidiagonally, and new values 0..3 introduced in row major order.
Terms
- a(0) =12a(1) =2191a(2) =287379a(3) =40919141a(4) =5770321516a(5) =815364171994
External references
- oeis: A204681