Number of nX4 0..3 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
A267972
Number of nX4 0..3 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value.
Terms
- a(0) =250a(1) =62500a(2) =12067722a(3) =2208460532a(4) =370962601314
External references
- oeis: A267972