Number of n X n 0..4 arrays with row sums 7 and column sums 7.
A172801
Number of n X n 0..4 arrays with row sums 7 and column sums 7.
Terms
- a(0) =0a(1) =2a(2) =189a(3) =157984a(4) =514790020
External references
- oeis: A172801
A172801
Number of n X n 0..4 arrays with row sums 7 and column sums 7.