Number of 5*n X 5 0..1 arrays with row sums 2 and column sums 2*n.
A172594
Number of 5*n X 5 0..1 arrays with row sums 2 and column sums 2*n.
Terms
- a(0) =2040a(1) =56586600
External references
- oeis: A172594
A172594
Number of 5*n X 5 0..1 arrays with row sums 2 and column sums 2*n.