Number of 3Xn 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.
A267977
Number of 3Xn 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) =60a(1) =3600a(2) =216000a(3) =12067722a(4) =648144348a(5) =33600202086
External references
- oeis: A267977