Number of n X n 0..3 arrays with row sums 9 and column sums 9.
A172735
Number of n X n 0..3 arrays with row sums 9 and column sums 9.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =2008a(4) =45934340
External references
- oeis: A172735
A172735
Number of n X n 0..3 arrays with row sums 9 and column sums 9.