Number of 2*n X n 0..3 arrays with row sums 3 and column sums 6.
A172753
Number of 2*n X n 0..3 arrays with row sums 3 and column sums 6.
Terms
- a(0) =1a(1) =44a(2) =28681a(3) =122975608
External references
- oeis: A172753
A172753
Number of 2*n X n 0..3 arrays with row sums 3 and column sums 6.